CN1329681C - Motor-operated valve - Google Patents
Motor-operated valve Download PDFInfo
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- CN1329681C CN1329681C CNB031379869A CN03137986A CN1329681C CN 1329681 C CN1329681 C CN 1329681C CN B031379869 A CNB031379869 A CN B031379869A CN 03137986 A CN03137986 A CN 03137986A CN 1329681 C CN1329681 C CN 1329681C
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Abstract
To make the flow rate of refrigerant same flowing through a motor-operated valve irrelevant to a normal or an inverse flow direction. This motor-operated valve 10 is provided with a valve body 12 adjusting a passing flow rate of fluid by a valve element in a valve chest, a can 16 incorporating a rotor 17 fixed to the valve body 12 and operating the valve element 13, and a stator 18 externally fitted to the can 16 and rotating the rotor 17. The valve element 13 is formed rotatable and so constituted as to approximately uniformize the flow rate irrelevant to whether the flow direction of the fluid is normal or inverse. The valve element 13 rotates around the center line of the cylinder in the external cylinder shape and the valve element 13 is formed with an orifice 13a and a notch part 13b communicating the refrigerant between channels 2a and 2b.
Description
Technical field
The present invention relates to a kind of mortor operated valve that uses in the air conditioner that is assembled in, particularly relate to a kind of like this mortor operated valve, that is, the direction that no matter flows through the fluid of mortor operated valve is anti-just, can make its flow identical.
Background technique
In the past, being assembled in the mortor operated valve that uses in various air conditioners, the refrigerating machine, is the apparatus of flow that is used to regulate the fluid of refrigerant and so on, usually by the valve body with valve chamber and valve seat, and be fixed on the above-mentioned valve body by flange portion, there is the cylindrical shell at the end to constitute.Rotor is equipped with in inside at housing, the stator that there is through hole in central authorities in the outer cover of above-mentioned housing.
Figure 18 is the profile diagram of above-mentioned mortor operated valve 1 in the past, and the valve body 2 of mortor operated valve 1 has the standing part 2d and the housing standing part 2e of valve chamber 2c, guide sleeve.In valve chamber 2c, be provided with and be fluids such as refrigerant the come in and go out fluid of usefulness come in and go out pipe 2a, 2b, and portion within it also is provided with the valve body 3a that forms with front end at valve shaft 3, be i.e. needle-valve, contact or the valve seat 2f that breaks away from.
The position of the standing part 2d of above-mentioned guide sleeve is used for fixing valve body 2 and guide sleeve 4 above valve chamber.Formed female thread portion 4a on the inner circumference of guide sleeve 4, the valve body retaining member 5 that forms male thread portion 5a on excircle is screwed in the above-mentioned internal thread, constitutes the screw thread feed mechanism by above-mentioned female thread portion and male thread portion.
In addition, in valve shaft 3 these valve body retaining members 5 of insertion of underpart formation valve body 3a, also can slide, and valve shaft 3 pressurizes downwards all the time by means of the pressure spring 3b that is installed in after compressing in the valve body retaining member 5.
Housing standing part 2e is positioned at the upper end of valve body 2, constitutes with annular metal sheet, and its inner circumference is fixed with crimping, and its lower end surface is with being welded to connect, and the flange portion of its excircle part and housing 6 welds, and housing 6 is fixed on the valve body 2.Combining between valve shaft 3 and the rotor 7 except being enclosed within valve body retaining member 5 and male thread portion 5a on the valve shaft 3, also is equipped with valve shaft 3 embeddings in the rotor 7 of magnet.
Thrust nut 3c is pressed into the upper end that is fixed on valve shaft 3, and combines with rotor 7, and its flange portion also has some activities at the above-below direction of valve shaft 3.By be fixed on the valve body retaining member 5 following block 4b and on forming on the sleeve block 5b be construed as limiting device.
Rotor 7 is contained in the inside of housing 6,8 outsides that are embedded in housing 6 of stator.Upper and lower stator coil 8a and the yoke 8b of collecting in stator 8 inside, electric power leads to stator coil 8a by lead 8c and the connector 8d that is arranged on stator 8 excircles.After the stator coil 8a energising, yoke 8b is excitation just, makes rotor 7 rotations by the screw thread feed mechanism valve body retaining member 5 and valve shaft 3 to be moved, and carries out switch motion, in order to regulate the flow of refrigerant.The lid 8e of connector is welded on the stator 8.
, in above-mentioned prior art, because refrigerant flows to positive and negative direction, the pressure reduction of refrigerant occurred in valve body 3a, the differentiated unsuitable situation of the flow of refrigerant on two different direction has just appearred in the result.
That is, in Figure 18, when refrigerant is come in and gone out pipe 2a when flowing to fluid and coming in and going out pipe 2b from fluid, because the pressure of refrigerant is effect downwards for valve body 3a, and the sideshake of screw thread feed mechanism is all the time on lower position, so and the gap between the valve body 2 very little.In contrast, when refrigerant is come in and gone out pipe 2b when flowing to fluid and coming in and going out pipe 2a from fluid, because the pressure of refrigerant is upwards to act on for valve body 3a, and the sideshake of screw thread feed mechanism is all the time up on the position, so and the gap between the valve body 2 is just big, so the inappropriate situation that flow correspondingly increases just takes place.
Summary of the invention
The present invention makes in view of this unsuitable situation, and its task provides a kind of like this mortor operated valve, and when the fluid that makes refrigerant and so on flow through mortor operated valve, no matter its flow direction was anti-just, and its flow is identical.In addition, this mortor operated valve, the noise in the time of can also reducing fluid (refrigerant) by mortor operated valve inside.
For finishing above-mentioned task, mortor operated valve of the present invention is made of following various parts.
The mortor operated valve of the present invention's first scheme has following parts: the valve body of the flow that can be passed through with the valve body regulated fluid in the valve chamber; Be fixed on the above-mentioned valve body, the housing of the rotor that makes above-mentioned valve body action is equipped with in its inside; And be enclosed within above-mentioned housing outside, drive the stator of above-mentioned rotor rotation, it is characterized in that above-mentioned valve body can rotate, no matter the flow direction of fluid is anti-just, its flow is roughly the same.
The mortor operated valve of alternative plan of the present invention has valve body, be fixed on the housing on this valve body, and the rotor chimeric with this housing, it is characterized in that, in the valve chamber of above-mentioned valve body, be provided with valve body with rotor interlock rotation, no matter the flow direction of fluid is anti-just, and along with the gap between formed valve body of the pressure of fluid and the valve body, its size is roughly the same.
The mortor operated valve of third party's case of the present invention, be any mortor operated valve as previously discussed, it is characterized in that the outer surface of valve body is cylindrical, and be that axis rotates with the center line of this cylinder, form on the valve body make that fluid is communicated with between two runners valve flowing channel.
The mortor operated valve of the cubic case of the present invention is on the basis of the mortor operated valve of third party's case, it is characterized in that, is provided with many valve flowing channels on valve body, and the basal area of each fluid course is different mutually.
The mortor operated valve of the present invention's the 5th scheme, be first or the basis of the mortor operated valve of alternative plan on, it is characterized in that valve body is made and made the first flow and second runner that are connected on this valve body be arranged to be mutually the right angle.
The mortor operated valve of the present invention's the 6th scheme is on the basis of the mortor operated valve of third party's case, it is characterized in that, valve body is made and made the first flow that is connected on this valve body and second runner be arranged to parallel sided with cylindrical portions may.
The mortor operated valve of the present invention's the 7th scheme is on the basis of the mortor operated valve of third party's case, it is characterized in that, valve body makes that the first flow that is connected on this valve body and second runner are arranged to is roughly linearly, and valve flowing channel runs through valve body.
The present invention the is the mortor operated valve of case from all directions, is on the basis of the mortor operated valve of third party's case, it is characterized in that, valve body is made and made the first flow that is connected on this valve body and second runner be arranged to roughly parallel sided with the prolongation of cylindrical portions may axis.
The mortor operated valve of the present invention's the 9th scheme, be the from all directions on the basis of the mortor operated valve of case, it is characterized in that, valve body is made with discoid part, around this discoid part core, be provided with first intercommunicating pore and second intercommunicating pore of perforation, and, housing one side at discoid part is provided with valve body, and above-mentioned valve body can move when rotating between the two positions: first intercommunicating pore and second intercommunicating pore are closed position and first intercommunicating pore and two positions of not closing of second intercommunicating pore of one selectively; In addition, with each intercommunicating pore of the opposite side of this side of the valve body that is provided with discoid part on the first flow and second runner have been installed.
The mortor operated valve of the present invention's the tenth scheme, be on the basis of the mortor operated valve of the 9th scheme, it is characterized in that, the location arrangements of first intercommunicating pore and second intercommunicating pore is in the side of the prolongation of cylindrical portions may axis, and the axis arranged of first intercommunicating pore and second intercommunicating pore with angled position, the center of cylindrical portions may on.
The mortor operated valve of the present invention's the 11 scheme is on the basis of the mortor operated valve of the 9th or the tenth scheme, it is characterized in that, on above-mentioned valve body, form the throttling that has throttle orifice and form part, and, form fluid partly in above-mentioned throttling at least and flow into this side, be provided with porous member.
The mortor operated valve of the present invention's the 12 scheme, be on the basis of the mortor operated valve of the 9th or the tenth scheme, it is characterized in that, on above-mentioned valve body, form the throttling that has throttle orifice and form part, and, flow into this side at above-mentioned throttling formation fluid partly at least and be provided with porous member; On above-mentioned valve body, form the first flow and second runner be connected on the valve body, simultaneously,, be arranged in the top of above-mentioned throttle orifice position the position that wherein constitutes as the end of the outflow side of the fluid discrepancy pipe of the runner of fluid inflow side.
The mortor operated valve of the present invention's the 13 scheme is on the basis of the mortor operated valve of the 12 scheme, it is characterized in that, the above-mentioned fluid pipe of coming in and going out is crooked, and the location arrangements of end, outflow side is above above-mentioned throttle orifice position.
The mortor operated valve of the present invention's the tenth cubic case is on the basis of the mortor operated valve of the 12 scheme, it is characterized in that, the above-mentioned fluid pipe of coming in and going out is separated, is connected on the above-mentioned valve body.
The mortor operated valve of the present invention's the 15 scheme is on the basis of the mortor operated valve of the 11 scheme, it is characterized in that, as porous member, first porous member and second porous member have been arranged in the both sides that form part in throttling.
The mortor operated valve of the present invention's the 16 scheme is on the basis of the mortor operated valve of the 11 scheme, it is characterized in that, and as the drive part of above-mentioned valve body, be that the rotor made from plastic magnet and running shaft and drive part are made of one.
The mortor operated valve of the present invention's the 17 scheme is on the basis of the mortor operated valve of the 11 scheme, it is characterized in that, above-mentioned valve body is when porous member and throttling are formed part and be made of one, and has also formed valve seat part.
The present invention the tenth is the mortor operated valve of case from all directions, is on the basis of the mortor operated valve of the 17 scheme, it is characterized in that, above-mentioned valve body is to make its rotation by the valve body actuator that is made of one with this valve body.
The mortor operated valve of the present invention's the 19 scheme, be on the basis of the mortor operated valve of the tenth scheme, it is characterized in that, valve body is divided into two, the parts of top have the block and the valve seat of valve body, below the valve body bottom on form the come in and go out joint of pipe and it is made of one of fluid.Valve body is to make its rotation by the valve body actuator that is made of one with this valve body.
In addition, has the mortor operated valve of said structure, because no matter the flow direction of fluid such as refrigerant is a forward or oppositely, its leakage rate is roughly the same, so can in the machine of air conditioner of the runner of conversion refrigerant and so on, realize flow control accurately.In addition, beyond above-mentioned functions, no matter the flow direction of fluid is a forward or oppositely, the pressure of fluid all is that valve body is pressed to valve body, so leak into fluid that runner goes seldom from valve chamber.In addition, leak out from mortor operated valve, the noise of following fluid flows to produce has also reduced.
Description of drawings
Fig. 1 (A) is the profile diagram of the state of mortor operated valve when minimum discharge of expression first embodiment of the invention, and Fig. 1 (B) is the sectional view along the b-b line of Fig. 1 (A);
Fig. 2 (A) is the profile diagram of the state of mortor operated valve when peak rate of flow of expression first embodiment of the invention, and Fig. 2 (B) is the sectional view along the b-b line of Fig. 2 (A);
Fig. 3 (A) is the profile diagram of the state of mortor operated valve when minimum discharge of expression second embodiment of the invention, and Fig. 3 (B) is the sectional view along the b-b line of Fig. 3 (A);
Fig. 4 (A) is the profile diagram of the state of mortor operated valve when peak rate of flow of expression second embodiment of the invention, and Fig. 4 (B) is the sectional view along the b-b line of Fig. 4 (A);
Fig. 5 (A) is the profile diagram of the state of mortor operated valve when minimum discharge of expression third embodiment of the invention, and Fig. 5 (B) is the sectional view along the b-b line of Fig. 5 (A);
Fig. 6 (A) is the profile diagram of the state of mortor operated valve when peak rate of flow of expression third embodiment of the invention, and Fig. 6 (B) is the sectional view along the b-b line of Fig. 6 (A);
Fig. 7 (A) be the mortor operated valve of fourth embodiment of the invention when the minimum discharge of forward, the profile diagram of major component, Fig. 7 (B) is the explanatory drawing of valve body position;
Fig. 8 (A) be the mortor operated valve of fourth embodiment of the invention when peak rate of flow, the profile diagram of major component, Fig. 8 (B) is the explanatory drawing of valve body position;
Fig. 9 (A) be the mortor operated valve of fourth embodiment of the invention when reverse minimum discharge, the profile diagram of major component, Fig. 9 (B) is the explanatory drawing of valve body position;
Figure 10 represents the profile diagram of the state of mortor operated valve when minimum discharge of fifth embodiment of the invention;
Figure 11 is the A-A sectional view among Figure 10 of the 5th embodiment;
Figure 12 is the profile diagram of the 5th embodiment's 5-1 variation;
Figure 13 is the profile diagram of the 5th embodiment's 5-2 variation;
Figure 14 is the profile diagram of the 5th embodiment's 5-3 variation;
Figure 15 (A) be the mortor operated valve of sixth embodiment of the invention when peak rate of flow, the profile diagram of major component, Figure 15 (B) is the explanatory drawing of valve body position, in addition, Figure 15 (A) is the D-D sectional view of Figure 15 (B);
Figure 16 (A) be the mortor operated valve of sixth embodiment of the invention when reverse minimum discharge, the profile diagram of major component, Figure 16 (B) is the explanatory drawing of valve body position, in addition, Figure 16 (A) is the D-D sectional view of Figure 16 (B);
Figure 17 (A) be the mortor operated valve of sixth embodiment of the invention when the minimum discharge of forward, the profile diagram of major component, Figure 17 (B) is the explanatory drawing of valve body position, in addition, Figure 17 (A) is the D-D sectional view of Figure 17 (B);
Figure 18 is the profile diagram of mortor operated valve of the prior art.
Embodiment
Below, first embodiment's that present invention will be described in detail with reference to the accompanying mortor operated valve 10.Fig. 1 (A) is the profile diagram of the state of mortor operated valve when minimum discharge of expression first embodiment of the invention, and Fig. 1 (B) is the sectional view along the b-b line of Fig. 1 (A); Fig. 2 (A) is the profile diagram of the state of mortor operated valve when peak rate of flow of expression first embodiment of the invention, and Fig. 2 (B) is the sectional view along the b-b line of Fig. 2 (A).
Mortor operated valve 10 has following parts: the valve body 12 of regulating the flow that refrigerant passes through with the valve body 13 of valve chamber 12c inside; Become one with valve body 12, the housing 16 of the rotor 17 that makes valve body 13 rotations has been collected in inside; Be enclosed within housing 16 outsides, drive the stator 18 that rotor 17 rotates.Rotor 17 and stator 18 have constituted stepper motor.
On the step part of the excircle shoulder on valve body 12 tops, fixing circular flange plate 12d.And the underpart of the housing 16 that hereinafter mentions is fixed on this piece flange plate 12d with butt welding.
In addition, as shown in Figure 1, on the position of two several angles of being separated by of the central point on distance flange plate 12d (for example 180 degree), be provided with block 12e, the 12e of setting.The angle of swing of these two block 12e, 12e limiting valve body for example is 180 degree, and is installed on the position of the first flow 2a that can determine valve body 12 and the second runner 2b.In addition, block 12e, 12e and flange plate 12d fix with soldering simultaneously.Valve chamber 12c is roughly cylindrical, and its horizontal section is circular, and upper surface opens wide, and lower surface is communicated with the second connected part 12b, and valve body 13 is equipped with in its inside.
In first embodiment, valve flowing channel is made of barbed portion 13b and throttle orifice 13a.As shown in Figure 1, 2, barbed portion 13b occupies certain height in valve body 13 bottoms, forms to be roughly semicircular breach, simultaneously, offers throttle orifice 13a on the neutral position of the height of the residual fraction of valve body 13 bottoms.
And as shown in Figure 1, valve body 13 can be turned to above-mentioned residual fraction sealing first flow 2a, makes the throttle orifice 13a state relative with first flow 2a; Perhaps, as shown in Figure 2, turn to above-mentioned barbed portion 13b the state of first flow 2a and second runner 2b connection.That is, valve body 13 can be transformed into above-mentioned any state arbitrarily.
Therefore, valve body 13 is to rotate in the scope of 180 degree.The valve body key 13c of portion of tubular is formed at the top of valve body 13, and this valve body key 13c of portion is connected with valve body clamp holder 15 described later, can only with its rotation that links together.Therefore, the excircle of valve body key portion 13c bottom part is chimeric with the bottom of the valve body clamp holder 15 that forms concaveconvex shape.
In addition, formed step part 13d, contacted with the upper surface of valve body 12 in the neutral position of valve body 13 above-below directions, and, on the part of step part 13d, the protruding part 13e that formation can contact with above-mentioned block 12e, 12e.
On the chimeric tubular valve body clamp holder 15 at an upper portion thereof of the above-mentioned valve body key 13c of portion.This valve body clamp holder 15 is driven by rotor 17.
Valve body clamp holder 15 surface is thereon gone up formation spring bracket part.In addition, valve body clamp holder 15 combines by supporting ring 17a with rotor 17, and supporting ring 17a is the embedding metal ring made from brass wherein when rotor is shaped.
In addition, in the inner circumference hole of supporting ring 17a, embed the projection on valve body clamp holder 15 tops, and, rotor 17, supporting ring 17a and valve body clamp holder 15 are combined the periphery of top projection is carried out the means of fixation of crimping.Valve body 12, valve body clamp holder 15 and supporting ring 17a make with brass.
The outer peripheral surface of rotor 17 is cylindrical, in the housing 16 described later of packing into, is bearing on the valve body clamp holder 15 with axle.In addition, between the spring bracket of the upper surface of the top of housing 16 internal surfaces and valve body clamp holder 15, adorning the spring 15a after the compression.By means of this structure, valve body clamp holder 15 and rotor 17 are pressed towards valve body 13 these sides of below, and when the load that is applied on the valve body 13 was too big, valve body clamp holder 15 just can not combine with valve body 13, and can play the effect of safety installations.
Housing 16 is cylindrical shapes that the end is arranged made from the nonmagnetic metallic material of stainless steel and so on, and is fixed on the flange plate 12d that stainless steel makes with methods such as welding, and this flange plate 12d then is fixed on the valve body 12, its inner airtight conditions that keeps.
Stator 18 is made of the yoke made from magnetic material 19 and the upper and lower stator coil 19b, the 19b that are wound on this yoke 19 across coil rack 19a, and has the embedding hole 18a that can be entrenched on the housing 16.
On stator 18, be provided with conductor terminal 19c, and also have the lid 19e that covers the connector 19d that is connected with above-mentioned conductor terminal 19c.
The conductor terminal 19c that is connected on stator coil 19b, the 19b protrudes from stator 18, is connected with the connector 19d that is connecting multiple conducting wires 19f on this conductor terminal 19c.And the lid 19e that is covered with connector 19d is welded on the stator 18, has filled the packing material 19g of epoxy resin and so in lid 19e inside.
Uncovered embedding hole 18a below the central authorities of stator 18 have, housing 16 just embeds in this embedding hole 18a, and is fixed on valve body 12 and the housing 16 by means of the anti-rotation member 18b that is welded on stator 18 lower surfaces.
First embodiment is owing to have said structure, when refrigerant flows, when valve body 13 is in position shown in Figure 1, can flow through a spot of refrigerant between the one the second two runner 2a, 2b, and when valve body 13 is in position shown in Figure 2, then can flow through a large amount of refrigerant.
In this case, in first embodiment, when refrigerant from first flow 2a when the second runner 2b flows, because the pressure of refrigerant is pressed to valve body 13 right-hand, just many from the flow of air gap leakage, on the contrary, when refrigerant from the second runner 2b when first flow 2a flows, because valve body 13 is pressed to left by the pressure of refrigerant, so just few from the flow of air gap leakage.Therefore, increased above-mentioned leakage rate owing to flow through the flow of throttle orifice 13a, though can not make the flow of the flow=second runner → first flow of first flow → second runner fully, but no matter with the flow direction of refrigerant is forward or reverse for the switch direction of valve body, the all inoperative prior art of the pressure of refrigerant compares, and the flow of both direction just approaches identical.
In addition, in first embodiment, reduced owing to constitute the number of spare parts of mortor operated valve 10, fault has also just reduced, and valve body 12 directly is subjected to the pressure of refrigerant for valve body 13, structurally with on the stress do not have excessive influence, so can also economical with materials.
Embodiment 2
In second embodiment's mortor operated valve 20, the first flow 2a and the second runner 2b are arranged in parallel up and down, by means of refrigerant suffered pressure from two runner 2a, 2b, its structure is for being subjected to the pressure to right-hand (Fig. 3) all the time, realized the structure of flow of the flow second runner → first flow of first flow → second runner.Shown in Fig. 3,4, second embodiment represents the state of small flow in Fig. 3, the state of the big flow of expression in Fig. 4.
Fundamental difference between second embodiment and first embodiment, be the second runner 2b is arranged on abreast the below of first flow 2a, and, on valve body 23, form with valve body on first flow 2a and the corresponding barbed portion 23b of the second runner 2b in, on the upper and lower of its nubbin and the position corresponding, offer throttle orifice 23a, 23a respectively with the first flow 2a and the second runner 2b.In addition, the below of valve body 23 is sealed.
That is, in a second embodiment, valve flowing channel is made of barbed portion 23b and throttle orifice 23a, 23a.Shown in Fig. 3,4, barbed portion 23b occupies the certain altitude of valve body 23 bottoms, makes the shape that lacks about half circle, in addition, on the position of the above-mentioned certain altitude of the nubbin of valve body 23 bottoms, has offered two throttle orifice 23a, 23a.In addition, in order to support valve body 23 and it can be rotated reposefully, the nethermost end of valve body 23 is the incised notch mouth not, also stays complete circle from the plane, thereby, can lead by valve body 22.
In addition, above-mentioned is the core of complete circle from the plane, makes the annular of center hole.This is in order just to allow the pressure of refrigerant act on the bottom of this valve body 23, and makes its valve chamber that acts on valve body 22 bottom, in order to avoid become the obstacle that valve body 23 rotates.
And as shown in Figure 3, valve body 23 turns to the above-mentioned nubbin sealing first flow 2a and the second runner 2b, be in throttle orifice 23a, 23a respectively with first, second runner 2a, state that 2b is relative; Perhaps, as shown in Figure 4, valve body 23 turns to the state that above-mentioned barbed portion 23b is communicated with the first flow 2a and the second runner 2b.That is, can be transformed into above-mentioned any state.
In said structure, actuatable valve body 23 rotates in the scope of 180 degree.And identical with first embodiment in following several respects: the valve body key 23c of portion of tubular is formed at the top of valve body 23, and this valve body key 23c of portion is connected with rotor 27 described later, can only with its rotation that links together; Therefore, the excircle of valve body key portion 23c bottom part is chimeric with the bottom of the valve body clamp holder 25 that forms concaveconvex shape; And, formed step part 23d in the neutral position of valve body 23 above-below directions, contact with the upper surface of valve body 22, and, on the part of step part 23d, the protruding part 23e that formation can contact with block 22e, 22e.
Second embodiment also has following effect outside first embodiment's effect, promptly, no matter refrigerant to which direction flows, valve body 23 all is subjected to the first flow 2a and the second runner 2b applied pressure, its structure is subjected to pressure to the right all the time, so no matter refrigerant is to forward or to reverse flow, compare with first embodiment, can realize the flow of the flow second runner → first flow of first flow → second runner more.
Embodiment 3
The basic task of the 3rd embodiment's mortor operated valve 30 is identical with first and second embodiments, but the position of its runner and the structure of valve body but differ widely with them.
In the 3rd embodiment, be arranged on the first flow 2a and the second runner 2b on the valve body 32, both calibers are identical, are arranged to straight line shape, are connected the relative two sides of valve body 32, the spin axis of sandwich valve body 33.
On the other hand, whole valve body 33 is made cylindrical shape, and valve body 33 partly to form valve channel 33a, 33b etc. at its spin axis all identical with first and second embodiments aspect these, do not change.
In the 3rd embodiment, because the pressure of the refrigerant that is subjected to from first flow 2a and the second runner 2b, all be the strength of pressing downstream, and its shape is symmetrical fully, so can realize the flow of the flow second runner → first flow of first flow → second runner.
Below, with reference to Fig. 5, Fig. 6, further specify embodiment 3.Fig. 5 represents the state of small flow, and Fig. 6 represents the state of big flow.
The characteristics of the 3rd embodiment's valve body 33 be have criss-cross, as the little trifle discharge orifice 33a and the big big throttle orifice 33b of runner section of runner section of the runner of valve body.In addition, valve body 32 below seal.
That is, in the 3rd embodiment, valve flowing channel is formed by large and small two throttle orifices (valve channel) 33a, the 33b that intersect 90 degree.In addition, rotate reposefully in order to support valve body 33, the incised notch mouth not bottom of valve body 33 also stays complete circular portion from the plane, and is so that for the valve body guiding, in this, identical with second embodiment.
And as shown in Figure 5, when valve body 33 was in the position that connects two runner 2a, 2b at its trifle discharge orifice 33a, when allowing refrigerant flow through between first flow 2a, the second runner 2b, no matter its direction how, flow did not have difference.
In addition, when valve body 33 rotations 90 are spent, just as shown in Figure 6, the throttle orifice 33b of big section is on the position that connects two runner 2a, 2b, and at this moment, no matter refrigerant is to flow to the second runner 2b from first flow 2a, still flow in contrast, can not produce the difference of flow.
In said structure, drive valve body 33 and in the scope of 90 degree, rotate.And identical with first, second embodiment in following several respects: the valve body key 33c of portion of tubular is formed at the top of valve body 33, and this valve body key 33c of portion is connected with rotor 37 described later, can only with its rotation that links together; Therefore, the outer circumference portion of valve body key portion 33c bottom is divided the formation concaveconvex shape, and is chimeric with the bottom of rotor 37; And, formed step part 33d in the neutral position of valve body 33 above-below directions, contact with the upper surface of valve body 32, and, on the part of step part 33d, the protruding part that formation can contact with above-mentioned block 32e.
The 3rd embodiment also has following effect outside first embodiment's effect, promptly, no matter refrigerant to which direction flows, valve body 33 all is subjected to the same pressure of refrigerant, so, no matter under the flow situation that greatly still flow is little, can both realize the flow of the flow=second runner → first flow of first flow → second runner.
Embodiment 4
In the 4th embodiment, two runner 2a, 2b constituting refrigerant discrepancy pipe are vertically arranged, and it is parallel with the spin axis of valve body 43, owing to the leakage of the refrigerant that pressure produced that is subjected to refrigerant from the first flow 2a and the second runner 2b is identical, so can realize the flow of the flow=second runner → first flow of first flow → second runner.
The 4th embodiment is shown in Fig. 7～9, and Fig. 7 and Fig. 9 represent the situation that flow is little, and Fig. 8 represents the situation that flow is big.Specifically, the position of valve body when Fig. 7 represents the dehumidifying of refrigeration (perhaps heating) circuit, the position of valve body when Fig. 8 represents refrigeration-heating, the position of valve body when Fig. 9 represents that heating (perhaps refrigeration) circuit dehumidifies.
As shown in Figure 7, the 4th embodiment and first～the 3rd embodiment basically difference be: the first flow 2a and the second runner 2b are arranged in parallel about being; Discoid valve body 42 is arranged in the upper end portion of two runners; Formed two holes on this valve body 42, that is, the first intercommunicating pore 42a and the second intercommunicating pore 42b, above-mentioned two runners just are installed on these two intercommunicating pores; And on the upper surface of this valve body 42, be provided with the valve body made from the material of synthetic resin and so on 43, and can only rotate 180 degree.Above-mentioned valve body 43 is cap-like, has offered throttle orifice 43a on this lid part, that is, and and the opening that section is smaller.
In particular, valve body 42 is seen rounded in the plane, and the heart partly forms recess 42f therein, and the supporting axle 43c of valve body 43 inserts in this recess, can freely rotate.The excircle part and the supporting axle 43c of this valve body 43 are connected on the inner circumferential portion of valve body clamp holder 45, and can transmit rotating force.
Above-mentioned valve body clamp holder 45 is the same with other embodiments, also is made of one with rotor 47, and the rotation of rotor 47 can pass to valve body 43 by valve body clamp holder 45, makes its rotation.Valve body 43 is made of enclosure portion 43f and axle core segment 43g, enclosure portion 43f can seal the first left and right intercommunicating pore 42a and the second intercommunicating pore 42b, supporting axle 43c passes above-mentioned axle core segment 43g, because the rotation of this supporting axle 43c, enclosure portion 43f just can turn to the position of the sealing shown in Figure 7 first intercommunicating pore 42a, perhaps turn to the position that the first intercommunicating pore 42a and the second intercommunicating pore 42b are not sealed shown in Figure 8, and the position that turns to the sealing shown in Figure 9 second intercommunicating pore 42b.In addition, move on the position in addition, above-mentioned three positions,, near intercommunicating pore 42a, 42b, vertically be provided with two bumping post 42e, 42e on the top of valve body 42 in order not make valve body 43.
The 4th embodiment's effect is identical with second, third embodiment's effect, no matter refrigerant to which direction flows, owing to the structure of valve body 43 is that the pressure that is subjected to refrigerant is pressed on intercommunicating pore 42a, the 42b, so outside the flow of flow=second runner → first flow of realizing first flow → second runner, because the gap between valve body 42 and the valve body 43 is little, can also reduce the leakage of refrigerant as far as possible.
In concrete example, for example, when in refrigeration cycle as shown in Figure 7, dehumidifying (refrigerant flows to first flow from second runner), when in the heating circulation of Fig. 9, dehumidifying (refrigerant flows to second runner from first flow), can make the flowing state of its refrigerant roughly the same.
Also have, in the mortor operated valve shown in the fourth embodiment of the present invention, when passing through to produce noise, can reduce the noise that is produced owing to refrigerant.That is, can make the valve body 43 usefulness porous members of mortor operated valve shown in Figure 7.The specific embodiment 5 of making valve body with this porous member is shown in Figure 10 and Figure 11.
Embodiment 5
Below, the mortor operated valve 100 of the detailed description fifth embodiment of the present invention.Figure 10 is expression embodiment's 5 the profile diagram of the state of mortor operated valve 100 when minimum discharge, Figure 11 be among Figure 10 the A-A section to view.
Mortor operated valve 100 has following parts: valve body 900; With the housing 400 that is weldingly fixed on the valve body 900; Be arranged on the rotor 300 of housing 400 inside; Drive the valve body 200 that in valve chamber 110, rotates with rotor 300; Be enclosed within housing 400 outsides, drive the stator 500 of rotor 300 rotations of cup-shape.Rotor 300 and stator 500 have constituted stepper motor.
The outer peripheral surface of rotor 300 is a cylindrical shape, and integral body is cup-shape, makes with plastic magnet, is contained in the inside of the housing 400 that mentions later.The bottom 600 that running shaft 800 inserts this rotor 300, and fixed thereon.And the drive part 810 that drives valve body 200 is made of one with above-mentioned bottom 600.
As shown in figure 10, valve body 200 is made of following each parts: the cylindrical shape valve part made from brass 220; Be arranged on the above-mentioned valve part 220, become one with it and become the plate-shaped member that the throttle orifice that forms throttle orifice 224 forms part 225; Be arranged on the porous member 226 that refrigerant flows into the upstream of throttle orifice 224; And the valve seat part 228 that is made of one with the periphery of valve part 220.
In addition, in Figure 10, also represented to be arranged on the situation of refrigerant from the porous member 223 in the downstream that throttle orifice 224 flows out, this porous member is arranged to form part 225 with throttle orifice and separates predetermined distance, for example, is fixed on the valve part 220 with the mode of crimping.These porous members the 226, the 223rd are made the shape of disk to the foaming metal that with nickel, copper etc. is main component, perhaps Foamex are made disc-shape and form.Perhaps, also can use to become discoid, do the wire netting parts that reticulate by metal wire knitted such as stainless steel, brass, iron, aluminium, for example, the parts that the trade name of using East Asia iron net Co., Ltd. to make is done for " overlay network ".
And, see roundedly on the plane of valve body 200 in Figure 11, and valve body actuator 210 sees in the plane and is square haply that both fuse by means of connected element 212.
The middle body of valve body actuator 210 is enclosed within on the running shaft 800, can be movable.Two vertical bonded blocks 211,211 before and after on valve body actuator 210, being provided with, this two agllutination closes parts 211 and is arranged to clip drive part 810, this drive part 810 is to hang down from rotor 300 bottoms of running shaft 800 1 sides, and the sagging plate-shaped member that becomes one with it.In addition, combining between valve body actuator 210 and the drive part 810 has some move places at above-below direction.In addition, as shown in figure 10, drive part 810 is seen as square from the side.In addition, below drive part 810 and between above the valve body actuator 210, the pressure spring 820 of packing into.
Housing 400 is by by the barrel 400a at the end be roughly that the part 400b of skirt shape forms, barrel 400a makes with the nonmagnetic metal of stainless steel and so on, skirt shape part 400b the first open part 400c be fixed on the open part of barrel 400a with welding method, and with its on an axis.The open part 400d of skirt shape part 400b is then with being weldingly fixed on the valve body 900 its inner airtight conditions that keeps.
Stator 500 is made of yoke made from magnetic material 510 and the upper and lower stator coil 530,530 that is wound on the above-mentioned yoke 510 by coil carrier 520, has the embedding hole of the outside that can be enclosed within housing 400.
On stator 500, be provided with conductor terminal 540, and have the lid 560 that covering is connected the connector 550 on the conductor terminal 540.The conductor terminal 540 that is connected on the stator coil 530,530 is outstanding from the stator 500, and the connector 550 that is connected with many leads 570 is connected on this conductor terminal 540.And the lid 560 that is covered with connector 550 is welded on the stator 500, has filled the packing material 580 of epoxy resin and so in lid 560 inside.Stator 500 has the embedding hole of lower aperture in the central, and housing 400 just is entrenched in this embedding hole.
In addition, on the parts 900b up, be to have first intercommunicating pore 910 and second intercommunicating pore 920 on two angled positions of center with the axis, and its upper surface constitute valve seat 940.When valve body 200 rotates along with the rotation of valve body actuator 210, on above-mentioned valve seat 940, slide by valve seat part 228.
In addition, the core of the valve chamber 110 of parts 900b up and valve body bottom 900a has formed the recess 900c of the lower end of supporting rotating shaft 800.
Because above-mentioned formation, the 5th embodiment not only has and the same effect of first～the 4th embodiment, and, on valve body 200, form the throttle orifice of having offered throttle orifice 224 and formed part 225, simultaneously, form a side of the incoming fluid of part 225 at least at throttle orifice, arranged the porous member 226 that the gross blowhole in the refrigerant is subdivided into small bubble, thereby can eliminate the gross blowhole in the refrigerant, can reduce to be accompanied by the flowing of refrigerant of flowing out from mortor operated valve and the noise that produces.In addition, if all arrange above-mentioned porous member 226,223, then can further improve the effect that reduces noise in the both sides of throttle orifice formation part 225.
Specifically, porous member 226 is divided into tiny bubble to the gross blowhole that contains in the refrigerant, when refrigerant passes through throttle orifice 224, gross blowhole in the fluid is divided into tiny bubble from import flows into the process of valve chamber and through hole by porous member 226 and even mesh portion, because under such state, promptly flowing under the state that can not grow into gross blowhole in the throttle orifice 224 that on valve body 200, forms, so, by throttle orifice 224 time, rapid variation in pressure does not take place in inflow side and outflow side, thereby can significantly reduce the noise that flow to produce, the noise in the operation process that can prevent from effectively to dehumidify.
In addition, owing to,, compare with the situation of the gas-liquid separator that was provided with in the past as long as it is just passable that first porous member 226 that is made of tabular body simple in structure is set as the part of valve body 200, no matter on occupied space, or all very favourable on the cost.Adding has increased by second porous member 223, just can make the fluid homogenization of the gas-liquid two-phase that flows into throttle orifice 224, and the turbulent flow in throttle orifice 224 outlet ports is carried out rectification.
Also have, as the drive part of valve body 200, because the rotor 300 that will make with plastic magnet, running shaft 800 and drive part 810 are made an integral body, can make that structure is simpler.In addition, by porous member 223,226 and throttle orifice formation parts 225 are made an integral body, and then will form the valve part 220 of valve seat part 228 and valve body actuator 210 that constitute, valve part 220 and valve body actuator 210 are made an integral body, because valve body 200 can be simpler as the structure of product, thereby can further make the product miniaturization, manufacture cost further reduces.
In addition, owing to be provided with the bonded block 211 that is connected with the drive part 810 of valve body 200 on valve body actuator 210, the driven structure of valve body 200 brings up and becomes very simple.In addition, further valve body 900 is divided into upper and lower two, and make upper part 900b have the block 930 and the valve seat 940 of valve body 200, and below valve body bottom 900a on form fluid come in and go out pipe 2a, 2b joint part 950 and make an integral body, so can make things convenient for the processing of valve body 900.In addition, also enlarged the application area of two parts 900 ' a, 900b.
Also have, in the 5th embodiment shown in Figure 10 of the present invention,, also can import really more under the situation that porous member 226,223 goes and use at the refrigerant that the pipe 2b that comes in and goes out from fluid is flowed in order further to improve the effect of the noise that reduces to flow.
That is, Figure 12, Figure 13 and Figure 14 are the profile diagrams of representing other embodiments of the present invention respectively, and in Figure 12, Figure 13 and embodiment shown in Figure 14, its fluid discrepancy pipe is different with the embodiment shown in Figure 10 with the formation of valve body.In addition, the component part same with Figure 10 among every Figure 12, Figure 13 and Figure 14 is marked with same label, and omits its explanation.
In embodiment 5-1 shown in Figure 12, the structure of fluid discrepancy pipe 2b1 (inlet tube) is, manage the upper end of the outflow side of 2b as the fluid discrepancy of Figure 10, projecting inward to valve chamber 110, the position of the upper end 2b1 ' of fluid discrepancy pipe 2b1 also is in and is arranged on the top that throttle orifice forms the throttle orifice 224 on the part 225 '.
In addition, in embodiment 5-1 shown in Figure 12, valve body 200 ' by the section that offers throttle orifice 224 ' roughly be the H font, for example use the metal throttle orifice of stainless steel and so on to form part 225 ', and the porous member 226 ' in embed the to be shaped upstream side that is arranged in throttle orifice 224 ' and downstream side and 223 ' and throttle orifice forms part 225 ' and the valve body actuator 210 ' that is made of one constitutes, and valve body 200 ' and valve body actuator 210 ' have been made an integral body.
Above-mentioned throttle orifice forms part 225 ' and is made up of W1 of wall portion that forms the cylindrical shape part and the plectane part W2 that is connected on the wall portion W1 neutral position, in the space 225 ' a and space 225 ' b that form by W1 of wall portion and plectane part W2, for example, be provided with porous member 226 ' and the porous member 223 ' that keeps predetermined distance with plectane part W2 with press fit.The middle body of valve body actuator 210 ' inserts can movable running shaft 800.In addition, the embedding of valve body actuator 210 ' makes between itself and the driver part 810, at upper and lower to movable leeway is arranged.
Among the embodiment 5-1 shown in Figure 12, valve body 900 ' is to constitute with a block part 900 ' a, and fluid discrepancy pipe 2b1 passes this part parts 900 ' a, protrudes in the valve chamber 110, be arranged in this valve chamber 110, and fluid discrepancy pipe 2a is connected with first intercommunicating pore 910.
And, upper surface 900 ' the b that constitutes the parts 900 ' a of valve body 900 ' just becomes valve seat, go up the valve seat part 228 ' that forms at valve body actuator 210 ' and just on this valve seat, slide, by porous member 226 ' and 223 ' and the fluid of throttle orifice 224 ' import first intercommunicating pore 910 or second intercommunicating pore 920 (referring to Figure 11).In addition, in Figure 12, the housing of Figure 10 400 with roughly be the skirt shape part 400b be made of one, do not have welding portion.
By means of this structure, fluid from fluid discrepancy pipe 2b1 inflow, for example, when refrigerant that freeze cycle is used flows into throttle orifice 224 ' definitely through valve chamber 110, owing to exist porous member 226 ' and 223 ' thereby can improve the effect of the mobile noise that reduces refrigerant.
In addition, in embodiment 5-2 shown in Figure 13, be to be arranged in the valve chamber 110 after the 2b1 bending is managed in the discrepancy of the fluid shown in the embodiment 5-1 of Figure 12, and make its position that becomes the end 2b1 ' of outflow side be in the top of throttle orifice 224 '.In embodiment 5-2, fluid discrepancy pipe 2b1 is divided into two-part,, is divided into swan-neck 2b2 part and straight tube 2b3 part that is, goes up the intercommunicating pore 900c that forms this two tubes of connection at the main body part 900 ' a of valve body 900 '.In addition, in Figure 13,, all be marked with same label, and omit its explanation with identical part among the embodiment of Figure 10 and Figure 12.
In the formation of above-mentioned embodiment 5-2 shown in Figure 13, the refrigerant that flows into from straight tube 2b3 can positively flow into the throttle orifice 224 ' from swan-neck 2b2 by intercommunicating pore 900 ' c, owing to exist porous member 226 ' and 223 ', thereby can further improve the effect of the mobile noise that reduces refrigerant.
In addition, fluid in the embodiment 5-1 shown in Figure 12 pipe 2b1 that comes in and goes out, embodiment 5-3 that can certainly be as shown in Figure 14 is such, is divided into two straight tube 2b3 and 2b1 ".In addition, shown in as shown in figure 13 the embodiment 5-2 and the embodiment 5-3 shown in Figure 14,, can improve its assembly performance by fluid being come in and gone out pipe 2b1 separately.
Embodiment 6
The 6th embodiment's mortor operated valve 50 is characterised in that, the first flow 2a and the second runner 2b are arranged on the position of prolongation one side of the integrated disc portions axis that constitutes valve body 52, and its axis has a certain degree with respect to the center of valve body 52 and (sees Figure 15～Figure 17).
In other words, in the 4th embodiment, two intercommunicating pore 52a, 52b are on the point-symmetric position with respect to the center of valve body 52, that is, be arranged to become 180 degree angles with respect to the center of valve body 52, and in the 6th embodiment, then be arranged to leave 135 degree.The first flow 2a and the second runner 2b just are arranged among these two intercommunicating pore 52a, 52b.
In particular, as Figure 15～shown in Figure 17, valve body 52 is seen rounded in the plane, and the heart partly forms recess 52f therein, and the supporting axle 53c of valve body 53 inserts in this recess, can freely rotate.Above-mentioned valve body 53 usefulness drive fits are enclosed within on the valve body clamp holder 55, so that can transmit rotating force.The same with other embodiments, above-mentioned valve body clamp holder 55 is made of one with rotor 57, and the rotation of rotor 57 rotates valve body 53 by valve body clamp holder 55.In addition, housing 56 is by housing supporting frame 52d, and supporting is fixed on the valve body 52.
The 6th embodiment and first～the 5th embodiment is the same, no matter refrigerant to which direction flows, owing to the structure of valve body 53 is that the pressure that is subjected to refrigerant is pressed on the first intercommunicating pore 52a or the second intercommunicating pore 52b, so outside the flow of flow=second runner → first flow of realizing first flow → second runner, because the gap between valve body 52 and the valve body 53 is little, can also reduce the leakage of refrigerant as far as possible.Particularly, this 6th embodiment is under the state of Figure 15, and the intercommunicating pore of both direction is all opened; Under the state of Figure 16, the sealing of the direction of first flow → second runner; Under the state of Figure 17, the sealing of the direction of second runner → first flow.
In concrete example, when the refrigeration cycle that is in Figure 16 remove wet condition the time when (refrigerant flows to the second runner 2b from first flow 2a), and the heating circuit that is in Figure 17 is when removing wet condition (refrigerant flows to first flow 2a from the second runner 2b), and the flowing state of refrigerant can be roughly the same.
In addition, in the 6th embodiment, can arrange the first flow 2a and the second runner 2b more approaching, so can make profile compact, simultaneously, because refrigerant flowing in valve chamber 52c lacked, resistance is also little, so can also obtain the effect that reduces refrigerant energy of flow loss in valve chamber 52c.
In addition, in the various embodiments described above, in order to flow through little flow, all form throttle orifice, but in embodiment 6, on valve body, do not have throttle orifice as the runner on the valve body, thus not to limit its flow, but make flow approach zero.
Can see in sum, mortor operated valve with above-mentioned formation of the present invention, because the leakage rate of fluid on positive and negative both direction of refrigerant and so on is roughly the same, so can on the machine of air conditioner of changing runner and so on, realize accurate control to flow.In addition, outside above-mentioned functions, no matter fluid which direction in positive and negative both direction flows, because the pressure of fluid is pressed to valve body to valve body, so leak into the fluid that goes the runner lacking very from valve chamber.Also have owing on valve body, have porous member, so can fall reduce refrigerant by the time noise.
Claims (19)
1. mortor operated valve, it has following parts: the valve body of the flow that can be passed through with the valve body regulated fluid in the valve chamber; Be fixed on the above-mentioned valve body, the housing of the rotor that makes above-mentioned valve body action is equipped with in its inside; And be enclosed within above-mentioned housing outside, drive the stator of above-mentioned rotor rotation, it is characterized in that above-mentioned valve body can rotate, no matter the flow direction of fluid is anti-just, its flow is roughly the same.
2. mortor operated valve, it has valve body, be fixed on the housing on this valve body, and the rotor chimeric with this housing, it is characterized in that, be provided with the valve body with rotor interlock rotation in the valve chamber of above-mentioned valve body, no matter the flow direction of fluid is anti-just, along with the gap between formed valve body of the pressure of fluid and the valve body, its size is roughly the same.
3. mortor operated valve as claimed in claim 1 or 2 is characterized in that the outer surface of valve body is cylindrical, and is that axis rotates with the center line of this cylinder, form on the valve body make that fluid is communicated with between two runners valve flowing channel.
4. mortor operated valve as claimed in claim 3 is characterized in that, is provided with many valve flowing channels on valve body, and the basal area of each fluid course is different mutually.
5. mortor operated valve as claimed in claim 1 or 2 is characterized in that, valve body is made and made the first flow and second runner that are connected on this valve body be arranged to be mutually the right angle.
6. mortor operated valve as claimed in claim 3 is characterized in that, valve body is made and made the first flow that is connected on this valve body and second runner be arranged to parallel sided with cylindrical portions may.
7. mortor operated valve as claimed in claim 3 is characterized in that, valve body makes that the first flow that is connected on this valve body and second runner are arranged to is roughly linearly, and valve flowing channel runs through valve body.
8. mortor operated valve as claimed in claim 3 is characterized in that, valve body is made and made the first flow that is connected on this valve body and second runner be arranged to roughly parallel sided with the prolongation of cylindrical portions may axis.
9. mortor operated valve as claimed in claim 8, it is characterized in that, valve body is made with discoid part, around this discoid part core, be provided with first intercommunicating pore and second intercommunicating pore of perforation, and, housing one side at discoid part is provided with valve body, and above-mentioned valve body can move when rotating between the two positions: first intercommunicating pore and second intercommunicating pore are closed position and first intercommunicating pore and two positions of not closing of second intercommunicating pore of one selectively; In addition, with each intercommunicating pore of the opposite side of this side of the valve body that is provided with discoid part on the first flow and second runner have been installed.
10. mortor operated valve as claimed in claim 9, it is characterized in that, the location arrangements of first intercommunicating pore and second intercommunicating pore is in the side of the prolongation of cylindrical portions may axis, and the axis arranged of first intercommunicating pore and second intercommunicating pore with angled position, the center of cylindrical portions may on.
11., it is characterized in that as claim 9 or 10 described mortor operated valves, on above-mentioned valve body, form the throttling that has throttle orifice and form part, and, form fluid partly in above-mentioned throttling at least and flow into this side, be provided with porous member.
12., it is characterized in that as claim 9 or 10 described mortor operated valves, on above-mentioned valve body, form the throttling that has throttle orifice and form part, and, flow into this side at above-mentioned throttling formation fluid partly at least and be provided with porous member; On above-mentioned valve body, form the first flow and second runner be connected on the valve body, simultaneously,, be arranged in the top of above-mentioned throttle orifice position the position that wherein constitutes as the end of the outflow side of the fluid discrepancy pipe of the runner of fluid inflow side.
13. mortor operated valve as claimed in claim 12 is characterized in that, above-mentioned fluid discrepancy pipe is crooked, and the location arrangements of end, outflow side is above above-mentioned throttle orifice position.
14. mortor operated valve as claimed in claim 12 is characterized in that, above-mentioned fluid discrepancy pipe is separated, is connected on the above-mentioned valve body.
15. mortor operated valve as claimed in claim 11 is characterized in that, as porous member, first porous member and second porous member have been arranged in the both sides that form part in throttling.
16. mortor operated valve as claimed in claim 11 is characterized in that, as the drive part of above-mentioned valve body, is that the rotor made from plastic magnet and running shaft and drive part are made of one.
17. mortor operated valve as claimed in claim 11 is characterized in that, above-mentioned valve body is when porous member and throttling are formed part and be made of one, and has also formed valve seat part.
18. mortor operated valve as claimed in claim 17 is characterized in that, above-mentioned valve body is to make its rotation by the valve body actuator that is made of one with this valve body.
19. mortor operated valve as claimed in claim 10 is characterized in that, valve body is divided into two, the parts of top have the block and the valve seat of valve body, below valve body bottom on form the come in and go out joint of pipe and it is made of one of fluid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002185247 | 2002-06-25 | ||
| JP2002185247A JP4205901B2 (en) | 2002-06-25 | 2002-06-25 | Electric switching valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1467397A CN1467397A (en) | 2004-01-14 |
| CN1329681C true CN1329681C (en) | 2007-08-01 |
Family
ID=29996728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031379869A Expired - Fee Related CN1329681C (en) | 2002-06-25 | 2003-06-02 | Motor-operated valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4205901B2 (en) |
| CN (1) | CN1329681C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012489A (en) * | 2016-01-06 | 2017-08-04 | 应用材料公司 | System and method for covering workpiece features during electrochemical deposition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4550528B2 (en) * | 2004-09-01 | 2010-09-22 | 株式会社不二工機 | Motorized valve |
| JP4762018B2 (en) * | 2006-03-23 | 2011-08-31 | 株式会社不二工機 | Motorized valve |
| JP4842014B2 (en) * | 2006-05-26 | 2011-12-21 | 日立アプライアンス株式会社 | Air conditioner |
| JP4891876B2 (en) * | 2007-09-13 | 2012-03-07 | タカラベルモント株式会社 | Flow control valve |
| CN101988584B (en) * | 2009-07-29 | 2013-05-29 | 浙江三花股份有限公司 | Magnetic valve |
| CN102052502B (en) * | 2009-11-06 | 2013-06-05 | 浙江三花股份有限公司 | Solenoid valve |
| JP5313118B2 (en) * | 2009-11-30 | 2013-10-09 | タカラベルモント株式会社 | Motorized valve |
| CN102679016B (en) * | 2011-03-16 | 2013-12-18 | 浙江三花股份有限公司 | Electromagnetic valve |
| CN102538319B (en) * | 2012-02-28 | 2014-04-30 | 浙江三花股份有限公司 | Bidirectional throttling electronic expansion valve |
| JP5710564B2 (en) * | 2012-09-07 | 2015-04-30 | 株式会社鷺宮製作所 | Electromagnetic actuator and electric valve having the same |
| JP2014207311A (en) * | 2013-04-12 | 2014-10-30 | 株式会社不二工機 | Electromagnetic coil device |
| JP6302717B2 (en) * | 2014-03-27 | 2018-03-28 | 株式会社不二工機 | Motorized valve |
| JP6526478B2 (en) * | 2015-05-18 | 2019-06-05 | 株式会社不二工機 | Motorized valve |
| JP2020012553A (en) * | 2018-07-09 | 2020-01-23 | 株式会社神戸製鋼所 | Electrically driven flow rate control valve |
| CN113669475B (en) * | 2021-07-21 | 2024-06-14 | 诸暨市亿霸电子阀门有限公司 | Electric valve |
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| JPH102450A (en) * | 1996-06-19 | 1998-01-06 | Saginomiya Seisakusho Inc | Electric control valve |
| JP2000310348A (en) * | 1999-04-24 | 2000-11-07 | Saginomiya Seisakusho Inc | Electric operated selector valve |
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| CN107012489B (en) * | 2016-01-06 | 2021-05-07 | 应用材料公司 | System and method for masking workpiece features during electrochemical deposition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1467397A (en) | 2004-01-14 |
| JP2004028205A (en) | 2004-01-29 |
| JP4205901B2 (en) | 2009-01-07 |
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