CN1055801A - The suspension system of reciprocating hermetic compressor - Google Patents
The suspension system of reciprocating hermetic compressor Download PDFInfo
- Publication number
- CN1055801A CN1055801A CN91102176.0A CN91102176A CN1055801A CN 1055801 A CN1055801 A CN 1055801A CN 91102176 A CN91102176 A CN 91102176A CN 1055801 A CN1055801 A CN 1055801A
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- China
- Prior art keywords
- spring
- suspension system
- absorbing element
- steel wire
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000725 suspension Substances 0.000 title claims abstract description 55
- 229910000639 Spring steel Inorganic materials 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003190 viscoelastic substance Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims 15
- 239000010959 steel Substances 0.000 claims 15
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 238000013016 damping Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/127—Mounting of a cylinder block in a casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/02—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs damping by frictional contact between the spring and braking means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
- F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
- F16F3/06—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs of which some are placed around others in such a way that they damp each other by mutual friction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/10—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction
- F16F3/12—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction the steel spring being in contact with the rubber spring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of suspension system of reciprocating hermetic compressor comprises a housing and installation motor-drive pump within it, and this pump is hung in the housing with the spiral spring that housing is connected with motor-drive pump respectively by two ends.Thereby the present invention provide at least a kind of spring vertically on closely contact the absorbing element of absorbing high-frequency vibrational energy with its surperficial at least a portion.This absorbing element can absorb and decay ripple that vertically go up to propagate along spring resonance and do not change its elastic characteristic when low frequency.
Description
The present invention relates to a kind of suspension system that is used for reciprocating hermetic compressor, wherein motor-drive pump is assembled on the compressor housing by spring.
Usually, reciprocating hermetic compressor all is equipped with a kind of suspension system of using spring, to isolate the vibration that motor-drive pump causes compressor housing.
In known a kind of structure, motor-drive pump links to each other with compressor housing under tension by the pendulum spring of metal.Yet these metal suspension springs do not possess good insulation performance to dither owing to exist the phenomenon of vibration along its longitudinal propagation, make this vibrational energy pass to frailish position, housing top, result from the noise of this housing under dither and produce.
Signal solution of the above problems such as the accompanying drawing 1 on structure in the prior art.
In the reciprocating hermetic compressor of designing recently, the suspension system that traditional employing metal suspension spring is worked under pulling forcing state, changed the suspension system of under pressure state, working that adopts the metal spring supporting into, at this moment spring is installed under the supporting point of electric-motor pump, corresponding construction such as accompanying drawing 2 signals.In the assembling of this prior art, metal spring is installed in lower part of frame, makes the dynamic rate that provides usually all more than the top height, and is significantly reduced the dither wave propagation.
Although use the supported metal spring can reduce the dither that is transferred to housing significantly down in pressure, and in designing new product, be easy to realize.But making this prior art system be assembled to existing product gets on just to be difficult to realize.Here so-called new product promptly is a compressor of using the suspension spring system under pulling force; Be be difficult to pressure under the supported spring adaptive.Spring system under the pulling force is changed under pressure into applied spring need do great change, and need carry out new research the inertia equilibrium of forces that acts on the motor-drive pump to manufacture process.Wanting to set up this new balance under the constant situation of the base dimension that keeps electric-motor pump and housing and characteristics, is unpractical sometimes.
Except above-mentioned inconvenience, even we are also noted that this support system of the spring of working under pressure, metal spring is to be in connection set unique between motor-drive pump and the housing except electric discharge lamp, and it can not avoid the propagation of dither between motor-drive pump and housing.Therefore, reduce the firmer position that these dithers have only the wearing or featuring stage armour spring to be installed in housing solves.
General objects of the present invention is exactly can reduce the suspension system that dither is propagated by suspension spring significantly for reciprocating hermetic compressor provides a kind of, the structure of this system is easy to manufacture and assemble, even existing compressor is not needed to study the new balance in the motor-drive pump yet or production routine done bigger change.
Another object of the present invention provides a kind of aforesaid, and no matter spring is worked under pulling force or pressure effect all can be reduced the suspension system of dither by its transmission effectively.
Above-mentioned purpose of the present invention and other purpose and advantage, be to embody by a kind of suspension system that is applied to reciprocating hermetic compressor, this compressor comprises a housing, a motor-drive pump is installed in the housing, this pump is to link to each other with housing by an end, and the other end is a collection of helical spring that links to each other of pump body and being fixed in the housing therewith.
According to the present invention, a kind of element of absorbing high-frequency vibrational energy is provided at least, this element closely contacts and is fixed on each such helical spring with the surface of spring along the direction of Spring Steel Wire elongation, with absorb and attenuate compressor when working along the spring wave propagation of resonating longitudinally, and do not change the elasticity of spring.
Implementing a kind of method of the present invention is, by Spring Steel Wire absorbing element surface of contact is made part and cooperate the acting in conjunction that Spring Steel Wire is applied certain pressure with this surface of contact, damping element is fixed on the surface of this Spring Steel Wire, does closely to contact to guarantee this absorbing element and Spring Steel Wire.
Another kind of to implement method of the present invention be by the frictional force between Spring Steel Wire and the absorbing element damping element to be fixed on the Spring Steel Wire, and this frictional force is that damping element applies radial pressure to spring coil and produces.
Another implements method of the present invention, applies one deck continuous coating as damping element on spring coil.
Irrelevant with enforcement best mode of the present invention, it is for the absorbing high-frequency vibrational energy that the absorbing element is provided in each spring, this resonance form that can measure ripple along the spring longitudinal propagation, spring then are responsible for transmitting most this energy to the member that is in contact with it.
The present invention mainly provides a kind of absorbing element that makes common suspension spring system also can possess the high-frequency vibration isolation characteristic, reduces vibration that arrives compressor housing and the noise that causes thus.
Below, the present invention describes with reference to the following drawings.
Fig. 1: be the front view of reciprocating hermetic compressor, wherein motor-drive pump is connected with housing by the metal suspension spring under pulling forcing state.
Fig. 2: similar with Fig. 1, but motor-drive pump wherein is to be connected with housing by the metal support formula spring under pressure state.
Fig. 3: be suspension type or supported spring sectional arrangement drawing radially, outside its spring coil, installed around tubulose absorbing element jointly.
Fig. 3 a: the perspective view that is absorbing element among Fig. 3.
Fig. 4: be suspension type or supported spiral metal spring sectional arrangement drawing radially, the absorbing element of the substantial cylindrical that is fit to be assemblied in spring inner is housed in its all spring coil inside.
Fig. 5: be suspension type or supported spirality metal spring sectional arrangement drawing radially, Fig. 3 and two kinds of absorbing elements shown in Figure 4 are installed.
Fig. 6: be a kind of cut-away section side view of opening the absorbing element of cartridge type, this opens tube and presses the periphery that is trapped among with suspension type shown in the dotted line or supported spring.
Fig. 7: be the drawing in side sectional elevation that the absorbing element intercepts along VII-VII line among Fig. 6.
Fig. 8: be another kind of absorbing element sectional arrangement drawing radially, this element is a plunger shape, by pressuring spring coil radially, makes it to be press-fit in suspension type or the supported spring.
Fig. 8 a: the bottom view that is expander among Fig. 8.
Fig. 9 and Figure 10 show clear such spring part, get coating form and get the covering form with its each coil respectively to be used as continuous absorbing element.
Figure 11: be that the suspension type helical spring is assemblied in the radially sectional arrangement drawing on the compressor housing.
Described in background of invention, Fig. 1 and Fig. 2 have illustrated that two kinds known are installed in mode in the compressor housing 2 with spiral metal spring 3 with motor-drive pump 1, and this spring can be under the pulling forcing state under (Fig. 1) or the pressure state (Fig. 2).
Because the two ends of above-mentioned metal spring link to each other with housing 2 with motor-drive pump 1 respectively, they just retrain the high frequency wave propagation that motor-drive pump 1 vibration produces never in any form, this vibration wave is to amplify through spring resonance to pass to housing, cause undesirable noise, particularly under the situation of installation form as shown in Figure 1.
The present invention provides a kind of ability that 1 pair of housing of motor-drive pump 2 transmits this dither energy that reduces for spring 3.This retarding effect to the dither that transmits along spring 3 is owing to the damping element of having assembled the absorbing high-frequency vibrational energy on spring obtains, this damping element can convert dither to heat energy and in housing loss open.
In mode of execution shown in Figure 3, absorbing element 10 adopts form of sleeve, and its longitudinal extension degree is equivalent to the free length of spring, and its internal diameter is slightly less than the external diameter of spring.In this device, the spring coil of spring 3 is covered by the absorbing componentry, thereby can more effectively the dither energy be passed to the absorbing element from spring.
The material of sleeve 10 can be selected any visco-elastic material for use, soft rubber (porous or non-porous) for example, and it can absorb the energy that ripple is propagated at high frequency lower edge spring, and to the heat energy of converting.The material of sleeve 10 should have enough ductilities, add aforesaid and diameter difference spring, so that therefore coil and resiliently deformable takes place of its internal surface that contacts with the spring spring coil, the result can make spring closely touch with the position part that part elasticity is lower in the sleeve interior surface and close.
The longitudinal length size of sleeve 10, the desirable partial-length that only centers on spring that is decided to be is to guarantee its suitable absorption to vibrational energy.Yet we it should be noted that absorbing element 10 is big more with the area of contact of spring, and it just can absorb more vibrational energy.
Same principle can be applicable to accurately determine the wall thickness of material and absorbing element 10.The selection of material should guarantee suitably to absorb vibrational energy under certain wall thickness standard, and this thickness calibration should adapt with the inner space of reciprocal compressor closed chamber in the small-sized refrigerator.
When spring 3 was copl, the inwall of sleeve 10 should have the shape that can live spring from outside winding.
About known spiral spring, facts have proved, when the length of sleeve 10 is omited short than the free length of spring, be about 26mm, and wall thickness is 8.5mm, material is the about 25IRHD(international rubber hardness degree of a hardness standard) spongy rubber the time, can absorb the 4.0dB(decibel) transmission the dither energy of spring.
Fig. 4 has illustrated the another kind of absorbing element 20 of getting elongated shape, is shaped as when cylindrical when this, and it is identical with the length of helical spring 3, and preferably uses the viscoelastic material formation such as the soft rubber (porous or non-porous).The external diameter of this cylindric absorbing element 20 is more bigger than the internal diameter of helical spring coil, so that it becomes drive fit with this spring of its inside of packing into.Select to select identical as for the material of this absorbing element with absorbing element 10 with diameter.
Fig. 5 has shown the situation of using above-mentioned two kinds of absorbing elements in a kind of spring simultaneously, and sleeve 10 is placed in spring 3 peripheries, and column 20 then is installed in this spring.
Under the situation of dither than a strong absorption vibration of higher needs, this structure is useful.
Need to prove that when spring coil was taper shape, cylindrical body 20 also can change over taper shape.
In the assembly system of absorbing element shown in Fig. 3,4 and 5 and spring, confining force between absorbing element and the spring is because their drive fit, the absorbing element can be received and throw over spring dither energy obtains, the dither ripple of propagating along spring passes to the lower position of elasticity on the absorbing element side from spring coil, is absorbed there and converts vibrational energy to heat energy.In this solution, need make the side wall surface part of absorbing element tightly enclose spring coil, to applying certain pressure on it, pass to the absorbing element actually to guarantee this kind dither.Sleeve 10 outsides also can refill a retaining clip (not shown), so that the absorbing element can produce suitable pressure to spring 3.
Fig. 6 and 7 has shown the another kind of structure different with 3a with Fig. 3.In this different structure, the absorbing element is taken as the form of sleeve 30, and material is a viscoelastic material, for example soft rubber or expanded rubber.This sleeve longitudinally has a groove 32, the size of sleeve be chosen to be can be from the outside tightly around living spring 3, and coil is applied certain radial pressure to produce frictional force between the two.
The radial pressure of 30 pairs of springs 3 of sleeve is to obtain by the resiliently deformable of itself or by the clip on its outer wall 35.Be fixed with diverse ways between clip 35 and the sleeve 30, comprising making sleeve directly carry out vulcanizing treatment so that they become unified integral body at the inner face of stress metal clip 35.
Fig. 8 has illustrated a kind of absorbing element that is shaped as long-plunger 40, material is a soft rubber, in this example, this long-plunger is a cylindrical body and is installed in suspension type or supported spring inner with certain size, and the sidewall that makes it applies certain radial pressure to the coil of this kind spring.This pressure can be obtained by the elasticity of plunger 40 self, also can regulate the pressure that imposes on spring by the degree of the axial groove of opening from plunger 40 at least one ends 43 expander 45 being inserted therebetween.For the plunger among the sleeve in Fig. 6 and 7 30 and Fig. 8 40, it is to realize by the frictional force between spring and the absorbing element surface of contact that dither is reached the absorbing element from spring effectively.This frictional force is the result of spring material, absorbing element and the radial compression applied between them.
The front is for all explanations on material, size and dimension of absorbing element 10 and 20, be equally applicable to absorbing element 30 and 40, but it should be noted, in the situation of sleeve 30 and plunger 40, this viscoelastic material is not enough to soft to making the Spring Steel Wire the sort of surface of contact of partly fitting, shown in Fig. 3,3a, 4 and 5.
Fig. 9 is the another kind of structure embodiment of absorbing element, in this embodiment, the absorbing element is got the form of coating 50, this coating is preferably continuous, wrap spring coil, this kind coating by on the Spring Steel Wire through the rubber handled of uncured, aluminum alloy or any other suitably absorbing high-frequency vibrate and don't influence the flexible material of spring under low frequency and make.
Figure 10 is a kind of change form embodiment illustrated in fig. 9, and absorbing element is wherein got the form of wire 60, for example is a kind of many spring that the footpath is little, is looped around spirally on the spring of described suspension type or supported.
Similar with embodiment in 7 to Fig. 6, the absorbing effect in embodiment illustrated in fig. 9 also is closely touching to close and reach by cladding material and spring.
In the structure shown in Figure 10, the absorbing effect is by suspended spring and covers between the spring thread on it metal friction power is arranged that convert vibrational energy to heat and realize, this heat then spills in the surrounding environment.
In order further to improve the damping effect of spring to compressor housing, can in spring 3 and housing 2 or motor-drive pump 1 joint pad 70 be installed as Figure 11, pad is the material (impedance mismatching) that quite is different from (being lower than) spring 3 with mechanical impedance, and for example low-impedance plastics or rubber are made.Pad 70 has and reduces the effect that dither can transmit to compressor housing.
Claims (30)
1, a kind of suspension system of reciprocating hermetic compressor comprises a housing (2) and within it motor-drive pump (1) of supporting, this pump be connected with housing (2) by an end and SF that the other end is connected with motor-drive pump (1) in housing (2).It is characterized in that: the element (10,20,30,40,50,60) that the absorbing high-frequency vibrational energy that at least a and at least a portion surface that is the steel wire of above-mentioned spring at least closely contact is provided, this element is along the vertically contact with it of this Spring Steel Wire, so that absorb and weaken when compressor operating, and do not change the elasticity of spring under low frequency by the vibrational energy of this helical spring longitudinal propagation ripple when the resonance.
2, suspension system according to claim 1, wherein absorbing element (10,20) is the steel wire surface of contact work part cooperation of absorbing element (10,20) therewith by making this spring (3), and attach to this surface of contact on the steel wire of this spring with certain pressure, just be attached on the surface of steel wire of this spring, above-mentioned pressure will be enough to guarantee that spring contacts with the tight of absorbing element.
3, suspension system according to claim 2, wherein the part on the surface of the surface of contact of absorbing element (10,20) and spring (3) steel wire cooperates, and by the absorbing element spring (3) is exerted pressure with steel wire and causes contact surface position resiliently deformable to obtain.
4, according to claim 2 or 3 described suspension system, wherein above-mentioned contact surface being pressed onto on the described Spring Steel Wire, is to occur in respect on the inside or outside general radial direction of the axis of spring (3).
5, suspension system according to claim 4, absorbing element wherein are sleeve (10) shape, and its internal surface is the contact surface with spring (3) steel wire.
6, suspension system according to claim 5, the internal diameter of sleeve wherein (10) is more smaller than the external diameter of spring (3), so that the surface of contact of absorbing element (10) can produce an inside radial pressure to the steel wire of this spring.
7, suspension system according to claim 6, its middle sleeve (10) is vertically having a notch.
8, suspension system according to claim 6, outer can the enclosing of its middle sleeve (10) loaded onto a retaining clip.
9, suspension system according to claim 5, the internal surface of its middle sleeve (10) is identical with the outer surface profile of spring (3).
10, suspension system according to claim 5, the free length of length of its middle sleeve (10) and spring (3) equate basically.
11, suspension system according to claim 4, wherein suspension system absorbing element be shaped as slender body (20), the surface of revolution in its outside is the contact surface with the steel wire of spring (3).
12, suspension system according to claim 11, wherein the outer surface of slender body absorbing element (20) is identical with the inner surface profile of spring (3).
13, suspension system according to claim 11, wherein the diameter of slender body absorbing element (20) is more bigger than the internal diameter of spring (3), so that the contact outer surface of this absorbing unit body produces an outside radial pressure to Spring Steel Wire.
14, suspension system according to claim 11, wherein the length of slender body absorbing element (20) is substantially the same with the length of spring.
15, suspension system according to claim 4, wherein absorbing element (10,20) is to be made of viscoelastic material, it is soft to being enough to make it can produce resiliently deformable in the contact surface district that overlays with spring (3) steel wire that the latter wants.
16, suspension system according to claim 1, absorbing element wherein (30,40) be by the steel wire of this spring (3) and the frictional force between the absorbing element and therewith the surface of Spring Steel Wire by attached, this frictional force is obtained by the pressure that absorbing element (30,40) is pressed to the coil of spring (3), this absorbing element is made of viscoelastic material, and the latter has enough rigidity and produces resiliently deformable to avoid touching surface region in the pressure of the steel wire of absorbing element (30,40) and spring (3).
17, suspension system according to claim 16, the surface of the steel wire surface of contact of the conduct of sleeve shape absorbing element (30) and spring (3) wherein, and the external frame of spring (3) is of similar shape.
18, suspension system according to claim 17, wherein sleeve shape absorbing element (30) splits groove (32) vertically having, sleeve diameter is more smaller than the external diameter of spring coil, so that the internal surface of sleeve (30) can produce an inside radial pressure to spring ring (3).
19, suspension system according to claim 18, its middle sleeve (30) periphery is equipped with a pressure clamp (35).
20, suspension system according to claim 19, its middle sleeve (30) combines as the internal surface of an independent element and pressure clamp (35).
21, suspension system according to claim 17, the length of its middle sleeve (30) is equal substantially with the free length of spring.
22, suspension system according to claim 16, wherein the absorbing element be shaped as longilineal plunger (40), its inner rotary mask has the profile identical with spring inner.
23, suspension system according to claim 22, wherein the diameter of plunger (40) is more bigger than the internal diameter of spring, so that the surface of contact of absorbing element can produce an outside radial pressure to spring.
24, suspension system according to claim 22, wherein the free length of the length of plunger (40) and spring equates basically.
25, suspension system according to claim 22, wherein plunger (40) has been opened a notch (43) vertically from the one end at least, one expander (45) is installed in this notch, can be used to the outside dimension of pilot plunger, the external diameter that the latter is located at this notch (43) is more bigger than the internal diameter of spring (3).
26, suspension system according to claim 1, wherein absorber element is one around the coating on the spring coil outer surface (50).
27, suspension system according to claim 26, its floating coat (50) is a continous way.
28, suspension system according to claim 26, its floating coat (50) are to be made of the rubber that accumulates on spring (3) steel wire.
29, suspension system according to claim 1, wherein the absorbing element fine wire (60) that is helical on spring (3) steel wire.
30, suspension system according to claim 1 wherein is equipped with the much lower pad (70) of a mechanical impedance than spring (3) between the tie point of spring (3) and it and motor-drive pump (1) and housing (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI19001772 | 1990-04-06 | ||
| BR909001772A BR9001772A (en) | 1990-04-06 | 1990-04-06 | SUSPENSION SYSTEM FOR ALTERNATIVE HERMETIC COMPRESSOR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1055801A true CN1055801A (en) | 1991-10-30 |
Family
ID=4049293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91102176.0A Pending CN1055801A (en) | 1990-04-06 | 1991-04-05 | The suspension system of reciprocating hermetic compressor |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPH04228883A (en) |
| CN (1) | CN1055801A (en) |
| BR (1) | BR9001772A (en) |
| DE (1) | DE4110922A1 (en) |
| ES (1) | ES2043479B1 (en) |
| FR (1) | FR2660703A1 (en) |
| GB (1) | GB2242723A (en) |
| IT (1) | IT1247849B (en) |
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| BR0003293A (en) * | 2000-07-17 | 2002-02-26 | Brasil Compressores Sa | Vibration damping system for reciprocating compressor with linear motor |
| JP2002295371A (en) * | 2001-03-30 | 2002-10-09 | Seiko Instruments Inc | Gas compressor |
| KR20050029419A (en) * | 2003-09-22 | 2005-03-28 | 엘지전자 주식회사 | Apparatus for preventing vibration of reciprocating compressor |
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| JP4194652B2 (en) * | 2005-07-04 | 2008-12-10 | 昭和電線デバイステクノロジー株式会社 | Coil spring and vibration isolator using the same |
| BR102013019671B1 (en) * | 2013-08-01 | 2021-10-13 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda | SUSPENSION FOR AN ALTERNATIVE HERMETIC COMPRESSOR FOR MOBILE APPLICATION |
| AT14651U1 (en) * | 2015-05-22 | 2016-03-15 | Secop Gmbh | REFRIGERANT COMPRESSOR |
| CN106555831A (en) * | 2015-09-30 | 2017-04-05 | 明光市奇美橡塑有限公司 | A kind of rubber buffer |
| CN110762055B (en) * | 2019-11-20 | 2021-07-02 | 衡阳市大力成泵业制造有限责任公司 | Shock absorption fixing device of mining explosion-proof type submersible sewage electric pump |
| EP4202222B1 (en) * | 2021-12-22 | 2024-06-26 | Arçelik Anonim Sirketi | A compressor comprising a vibration damping member |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE496700A (en) * | 1949-06-30 | |||
| GB690340A (en) * | 1950-02-20 | 1953-04-15 | William Gilbert Hunter Nicolso | Improved damping means for the coiled springs of poppet valves for internal combustion engines |
| BE527845A (en) * | 1953-06-19 | |||
| BE535701A (en) * | 1954-02-17 | |||
| FR1132708A (en) * | 1955-10-06 | 1957-03-14 | Damping device for coil springs and the like | |
| GB875547A (en) * | 1958-12-11 | 1961-08-23 | Gen Electric | Improvements in hermetically sealed compressor unit mounting means |
| NL286649A (en) * | 1961-12-13 | |||
| GB1281690A (en) * | 1968-10-24 | 1972-07-12 | Dunlop Holdings Ltd | Resilient mountings |
| DE1813622A1 (en) * | 1968-12-10 | 1970-06-25 | Bosch Hausgeraete Gmbh | Motor compressor unit |
| CH514087A (en) * | 1969-12-05 | 1971-10-15 | Sulzer Ag | Device for supporting a machine |
| JPS5235432Y2 (en) * | 1972-09-21 | 1977-08-12 | ||
| IT1161497B (en) * | 1983-07-12 | 1987-03-18 | Aspera Spa | SUSPENSION DEVICE FOR HERMETIC REFRIGERATOR MOTORS AND SIMILAR |
| SU1318756A1 (en) * | 1984-03-11 | 1987-06-23 | Всесоюзный Научно-Исследовательский И Экспериментально-Конструкторский Институт Коммунального Машиностроения | Shock absorber |
| GB2159913A (en) * | 1984-06-08 | 1985-12-11 | Cathay Guo Tai Kong | Safety helical spring exercise device |
| DE3726758A1 (en) * | 1987-08-12 | 1989-03-02 | Danfoss As | COMPRESSOR SPRING SUPPORT |
-
1990
- 1990-04-06 BR BR909001772A patent/BR9001772A/en not_active IP Right Cessation
-
1991
- 1991-03-29 IT ITMI910872A patent/IT1247849B/en active IP Right Grant
- 1991-04-03 GB GB9106945A patent/GB2242723A/en not_active Withdrawn
- 1991-04-03 FR FR9104015A patent/FR2660703A1/en not_active Withdrawn
- 1991-04-04 JP JP3099583A patent/JPH04228883A/en active Pending
- 1991-04-04 ES ES09100888A patent/ES2043479B1/en not_active Expired - Fee Related
- 1991-04-04 DE DE4110922A patent/DE4110922A1/en not_active Withdrawn
- 1991-04-05 CN CN91102176.0A patent/CN1055801A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104024637A (en) * | 2011-11-25 | 2014-09-03 | 惠而浦股份有限公司 | Linear driving unit with a resonant spring and a deformation control device |
| CN104024637B (en) * | 2011-11-25 | 2017-02-22 | 惠而浦股份有限公司 | Linear driving unit with a resonant spring and a deformation control device |
| CN105927498A (en) * | 2016-05-10 | 2016-09-07 | 广州万宝集团压缩机有限公司 | Suspension type outer rotor compressor |
| CN107761313A (en) * | 2016-08-22 | 2018-03-06 | 珠海格力电器股份有限公司 | Hanging spring assembly and washing machine |
| CN108397510A (en) * | 2018-03-28 | 2018-08-14 | 深圳市德达康健股份有限公司 | A kind of vibration absorber of oxygenerator compressor |
| CN112469905A (en) * | 2018-07-25 | 2021-03-09 | 株式会社不二工机 | Water discharge pump |
| CN111828401A (en) * | 2019-04-15 | 2020-10-27 | 艾福迈精密部件公司 | Pump housing, pump and seat |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2043479B1 (en) | 1996-11-01 |
| ES2043479A2 (en) | 1993-12-16 |
| JPH04228883A (en) | 1992-08-18 |
| IT1247849B (en) | 1995-01-02 |
| DE4110922A1 (en) | 1991-10-10 |
| GB9106945D0 (en) | 1991-05-22 |
| ITMI910872A1 (en) | 1992-09-29 |
| GB2242723A (en) | 1991-10-09 |
| FR2660703A1 (en) | 1991-10-11 |
| ITMI910872A0 (en) | 1991-03-29 |
| ES2043479R (en) | 1996-02-16 |
| BR9001772A (en) | 1991-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C03 | Withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |