CN1189339C - Cooling unit for air-conditioner of vehicle - Google Patents
Cooling unit for air-conditioner of vehicle Download PDFInfo
- Publication number
- CN1189339C CN1189339C CNB02121686XA CN02121686A CN1189339C CN 1189339 C CN1189339 C CN 1189339C CN B02121686X A CNB02121686X A CN B02121686XA CN 02121686 A CN02121686 A CN 02121686A CN 1189339 C CN1189339 C CN 1189339C
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- supply ventilating
- blow
- vehicle
- pipeline
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Abstract
A cooling unit for a vehicular air-conditioner that can reduce the pressure loss of a ventilating system. An air-conditioning unit 1 is provided with a partition wall member 17 for dividing the air downstream side of an evaporator 13 into an upper side passage and the lower side passage; a first blower 22 for blasting air into a second-floor blowoff duct 2 leading into a second-floor cabin from the inside of the upper side passage; and a second blower 25 for blasting air into a first-floor blowoff duct 3 leading into a first-floor cabin from the inside of the lower side passage. The second blower is provided with the connecting duct 27 between the second blower 25 and the first-floor blowoff duct 3, and a blowoff port of the second blower 25 and an inlet part of the connecting duct 27 are connected to each other so that the blowoff direction of the second blower 25 is almost the same flow direction as the inflow direction into the connecting duct 27.
Description
Technical field
The present invention relates to a kind ofly have with by at the predetermined distance of cooling with air downstream one side of H Exch, dispose the cooling unit for air-conditioner of vehicle of a plurality of supply ventilating fans, particularly to can to car indoor blow out the improvement that flow path configuration that pipeline blows is swimmingly carried out, for example be well suited for be used in double decker vehicle air conditioning with in the cooling mechanism.
Background technology
Air-conditioning unit was set being disposed at the aftermost wall part that is located at city motor bus in the past, by being located at cooling H Exch (evaporator of the refrigerating cycle) coolant air in this air-conditioning unit, the interior environment system of the type that the cold wind of this cooling is sent by centrifugal blower, known for example have open the device of putting down in writing in the flat 8-244438 communique the spy.
In this communique, in the space that the cooling with wide area forms with H Exch downstream one side, setting has and the subtend wall member of cooling with the relative air openings of air downstream one side of H Exch, be provided with simultaneously air downstream one side of this subtend wall member is divided into next door member up and down, form the 1st and the 2nd energy chamber respectively in stream and the below stream up, the 1st, make small-sized centrifugal blower by above-mentioned air openings aspirated air in the 2nd energy chamber, for to the 1st, blow out in the 2nd energy chamber and be provided with a plurality of, and the 1st, the 2nd energy chamber is to air-conditioning object portion, i.e. the indoor pipeline that blows out that is connected the guiding air of one deck of double decker and two layers car.
In addition, to the car of one deck indoor blow out blow out pipeline, be connected with the 2nd energy chamber and be located at by connecting tube and be positioned at the central portion of cooling with the horizontal direction of H Exch, the blow-off outlet of the centrifugal blower that is provided with in the 2nd energy chamber is to be provided with towards the direction that blows out pipeline.Thus, the air that blows out in the 1st, the 2nd energy chamber blows out to air-conditioning object portion by blowing out pipeline.
Yet, according to described communique, below the blow-off direction of the centrifugal blower that is provided with in the 2nd energy chamber in the effluent road, for towards the direction that blows out pipeline of the central portion that is positioned at described horizontal direction and the blow-off outlet of each centrifugal blower to being provided with near the oblique central authorities of below, thereby, behind the internal face of collision connecting tube, be directed into the inlet portion that blows out pipeline from the air that each blow-off outlet blows out.Its result owing to increased loss of pressure through this collision, thereby causes the performance of centrifugal blower to reduce, and simultaneously, causes increasing the undesirable situation of the power waste of supply ventilating fan.
In addition, shape for above-mentioned connecting tube does not have write up, but for example the draught area of the inlet portion of connecting tube and blow out pipeline inlet portion draught area not simultaneously, when this draught area is dwindled rapidly further pressure boost lose and cause above-mentioned undesirable situation.
Here, the present invention is in view of described problem points, its objective is provide a kind of make below the blow-off direction of the supply ventilating fan that is provided with in the effluent road become the flow direction roughly the same, reduce the cooling unit for air-conditioner of vehicle of the loss of pressure of ventilation system with the inflow direction in connecting tube.
Summary of the invention
For reaching described purpose, cooling unit for air-conditioner of vehicle of the present invention, have: the cooling of coolant air H Exch 13, with the next door member 17 that this cooling is divided into top stream and below stream with air downstream one side of H Exch 13, with be arranged on the top stream in, blow out the 1st supply ventilating fan 22 of pipeline 2 air-supplies from the 1st of the 1st space of this top stream opposed vehicle guiding, have the housing of fan and this fan of folding and unfolding respectively, and be arranged in the stream of below, blow out a plurality of the 2nd supply ventilating fans 25 of pipeline 3 air-supplies in the 2nd of the 2nd space of vehicle guiding from this below stream subtend.
In this cooling unit for air-conditioner of vehicle, it is characterized by, blow out at each blow-off outlet 25f and the 2nd of a plurality of the 2nd supply ventilating fans 25 and to be provided with connecting tube 27 between the pipeline 3, described connecting tube 27 have be connected to a plurality of the 2nd supply ventilating fans 25 blow-off outlet 25f's and be provided with a plurality of by-path inlet portions and be connected to the described the 2nd export department that blows out pipeline; And described connecting tube is directed to the 2nd to the air that blow-off outlet blew out from described a plurality of the 2nd supply ventilating fans swimmingly and blows out pipeline and compile connection in export department.
Therefore, in the stream of below, sucking through the cold wind of over cooling with H Exch 13, and the inflow direction in its flow direction and the connecting tube 27 is blown roughly the samely to the inlet portion of connecting tube 27, be arranged in such a way the 2nd supply ventilating fan 25, thus, the air that the portion that blows out of the 2nd supply ventilating fan 25 of the inlet portion of comfortable connecting tube 27 blows out, its loss of pressure can significantly reduce, and also can reduce the power waste of supply ventilating fan when reaching the raising draft capacity.
Perhaps, vehicle according to the invention idle call cooling unit, even a plurality of the 2nd supply ventilating fans 25 are arranged, by the respectively portion of blowing out of each air-supply arrangement 25 being configured such that the flow direction of air-supply becomes and the roughly the same direction of inflow direction in each connecting tube 27, the loss of air pressur that blows out from the respectively portion of blowing out at each air-supply arrangement 25 of the inlet portion of each connecting tube 27 is reduced significantly, and reaching the power waste that also can reduce supply ventilating fan when improving draft capacity.
In addition, by improving the draft capacity of each air-supply arrangement, for example can reach the cost that reduces parts by that reduction has in the use number of a plurality of each air-supply arrangement 25.
It is desirable to, be applicable to that blowing out pipeline 2 to the 1st is configured in and is positioned at two layers the 1st space, and blow out the double decker that pipeline 3 is configured in the roof central portion in the 2nd space that is positioned at one deck to the 2nd, each air-supply arrangement 25 blows out pipeline 3 by each connecting tube 27 to the 2nd and blows, and is directed to the 2nd space.Therefore, for example in the double decker of the idle call cooling unit in being provided with the aftermost wall part that is disposed at vehicle, owing to being provided with the 2nd, the roof central portion at one deck blows out pipeline 3, thereby each air-supply arrangement 25 blows out pipeline 3 air-supplies and is directed to the 2nd space to the 2nd by each connecting tube 27, thus, to the blow out air of the inlet portion of each connecting tube 27 guiding from each air-supply arrangement 25, thereby reduced the sinuous flow of the air that produces by colliding in this section, thereby reduce noise and improve traveling comfort.
And cooling is formed the big shape of growing crosswise of horizontal direction size with H Exch 13, and the horizontal direction of the 2nd supply ventilating fan 25 next door members 17 disposes more than 3 at least side by side.
For this reason, by in the cooling of the shape of growing crosswise with 2nd supply ventilating fan 25 of H Exch 13 places configuration more than 3, for example can suppress each peak output, increase number etc., can reduce the noise and the vibrations of sending effectively from whole supply ventilating fan.
And then, the 2nd supply ventilating fan 25 along continuous straight runs linearities configuration more than at least 3, and blow out pipeline 3 to the 2nd and be configured in the horizontal direction central portion that is positioned at the 2nd supply ventilating fan 25 more than at least 3, each connecting tube 27, one end is connected the 2nd inlet portion that blows out pipeline 3, the other end is connected the portion that blows out of the 2nd supply ventilating fan 25 separately, and is taken into the air that blows out from the 2nd supply ventilating fan 25, and will form streamline contour to the 2nd shape that blows out in the ventilation channel of pipeline 3 guiding.
Therefore, the air that blows out from the portion of blowing out of each supply ventilating fan 25, up to the guiding the 2nd blow out pipeline 3 till, do not collide mutually, interfere and flow swimmingly, when further reducing loss of pressure and reducing noise, compare when blowing out in the stream downwards, because the not stream internal leakage downwards of air that blows out from the described portion of blowing out can reach the noise that reduction is sent from the idle call cooling unit in the past.
In addition, the symbol of described each device is that expression has cooresponding relation with the concrete device that aftermentioned embodiment puts down in writing.
Description of drawings
Fig. 1 is the longitudinal diagram that is illustrated in the integral body formation of air-conditioning unit 1 in one embodiment of the invention.
Fig. 2 is the block diagram at double decker rear portion of the state that is provided with of the air-conditioning unit 1 of presentation graphs 1.
Fig. 3 is the A-A section-drawing of Fig. 1 of the lift-launch mode of the 1st supply ventilating fan 22 in expression one embodiment of the invention.
Fig. 4 is the B-B section-drawing of lift-launch mode Fig. 1 of the 2nd supply ventilating fan 25 in expression one embodiment of the invention.
Fig. 5 represents the longitudinal diagram of the lift-launch mode of the 1st, the 2nd supply ventilating fan 22,25 in one embodiment of this invention.
Fig. 6 is the double decker single-piece block diagram of the state that is provided with of the air-conditioning unit 1 of presentation graphs 1.
The specific embodiment
Below, according to describing with an embodiment of interior environment system applying the present invention to double decker at Fig. 1 to Fig. 6.At first, Fig. 6 is an expression city motor bus single-piece summary, the 1st, be provided in the air-conditioning unit 1 of the aftermost wall part of city motor bus, the 2nd, the air that carries out air regulation by this air-conditioning unit 1 is directed to the left and right sides that two layers of usefulness as the indoor top wall portion of car of the second layer in the 1st space of city motor bus blow out pipeline, are set at the indoor top of car of the second layer, extend along the fore-and-aft direction of city motor bus.
The 3rd, the one deck of the indoor top wall portion of car of one deck in the 2nd space that the air that carries out air regulation is directed to city motor bus by air-conditioning unit 1 extends along the city motor bus fore-and-aft direction with blowing out pipeline, being configured in the central portion (with reference to Fig. 2) of the indoor roof of car of one deck.With blowing out on the pipeline 2,3, be respectively arranged with not shown a plurality of blow-off outlet at above-mentioned two layers of usefulness and one deck, blow out air-conditioning wind to respectively attending a banquet from each blow-off outlet.
The 4th, be taken into aftermentioned condenser cooling and be taken into mouth, gas outside the side of city motor bus is taken into the outer gas of outer gas.The 5th, the condenser air discharge orifice of the cooled air of eductor condenser (warm wind) is from city motor bus rear portion air-out.The 6th, the condenser supply ventilating fan uses a plurality of (5 in the present embodiment) tube axial fan of configuration side by side.In addition, condenser air discharge orifice 5 is in clearly expression of Fig. 6, is the roughly total length that strides across the cross direction at city motor bus rear portion, forms to ground relatively with a plurality of condenser usefulness supply ventilating fan 6.
Fig. 1 to Fig. 5 represents to constitute the part of the air-conditioning unit 1 of main portion of the present invention, and the 10th, form the main body case of air-conditioning unit 1 gabarit, as depicted in figs. 1 and 2, be formed in the summary square shape of growing crosswise on the cross direction of vehicle.This main body case 10 is made of metal sheets such as iron plates, is divided into heat-insulating two parts at above-below direction, forms cooling unit 11 by the top of dividing, and forms condensing unit 12 by the bottom of division.
Vehicle front one side in the cooling unit 11 on top disposes the evaporator 13 of using H Exch along the conduct of the growing crosswise cooling of vehicle cross direction extension.This evaporator 13 is arranged on by not shown vehicle to run and makes on the cooling media on-cycle refrigerating cycle device with engine-driven compressor, is the unit by the latent heat of evaporation cooling wind pushing air of cooling media.
And,, as shown in Figure 2, be provided with the 1st interior aspiration inlet 14,14 of lengthwise in the left and right sides of the passenger compartment side of cooling unit 11 end face.In addition, one deck as shown in Figure 2, is sandwiched in the 1st interior aspiration inlet 14,14 places of lengthwise with blowing out pipeline 3, is set at the middle position of the cross direction of cooling unit 11, is provided with aspiration inlet 15 in the 2nd at this one deck with the upside that blows out pipeline 3.
Therefore, from these in the 1st, the 2nd aspirations inlet 14,14,15 car room air (interior gas) is drawn in the cooling unit 11, and flow into evaporator 13.And, the stream of air downstream one side of evaporator 13 (rear view of vehicle one side), the next door member 17 that extends by along continuous straight runs is separated into top stream 18 and below stream 19.Above this in stream 18, by predetermined distance and evaporator 13 relative to ground when above-below direction extends, dispose the wallboard 16a of subtend across cross direction.This subtend wallboard 16a is made of metal sheets such as iron plates.
And, in the stream 18, divide formation energy chamber 20 up in the air downstream of subtend wallboard 16a one side.In addition, be positioned at the subtend wallboard 16a of top stream 18, as shown in Figure 3, with from the central portion of vehicle cross direction to forming from evaporator 13 stair-stepping shape farthest, and this subtend wallboard 16a be provided with a plurality of, be 6 the 1st supply ventilating fans 22 in the present embodiment as air-supply arrangement.Set-up mode about the 1st supply ventilating fan 22, if narration in more detail, it is the air openings that the number equal number is set 23 that on subtend wallboard 16a, is provided with the 1st supply ventilating fan 22, this air openings 23 is communicated with the sucking hole 22b of the housing 22a of each the 1st supply ventilating fan 22 respectively, and the housing 22a of each the 1st supply ventilating fan 22 is fixed on the subtend wallboard 16a by modes such as fix screws.
Here, each the 1st supply ventilating fan 22 is by in the folding and unfolding energy chamber 20 up.Each the 1st supply ventilating fan 22 as shown in Figure 1, in Vorticose housing 22a, drives this fan 22c by electrical motor 22e by S. A. 22d with centrifugal multiple-wing fan (multi blade fan) 22c folding and unfolding.The left and right sides of the top wall portion of the energy chamber 20 above described is provided with blow out air mouth 24,24, is connecting the inlet portion that described two-layer usefulness blows out pipeline 2,2 on this blow out air mouth 24,24.
And from the Vorticose housing 22a of 6 the 1st supply ventilating fans 22, the direction of the blow-off outlet 22f of blow out air in energy chamber 20 is set to and can makes air flows swimmingly at described blow out air mouth 24,24 places.That is, 3 the 1st supply ventilating fans 22 in left side be set to the blow out air mouth 24 of its blow-off outlet 22f towards the left side, and 3 the 1st supply ventilating fans 22 on right side as shown in Figure 5, are set to the blow out air mouth 24 of its blow-off outlet 22f towards the right side as shown in Figure 5.
In addition, below cutting apart in the stream 19 by next door member 17, as shown in Figure 4, be provided with on vehicle cross direction linearity ground with extending a plurality of, be 5 the 2nd supply ventilating fans 25 in the present embodiment as air-supply arrangement.The 2nd supply ventilating fan 25 as shown in Figure 1, centrifugal multiple-wing is fanned (multi blade fan) 25c folding and unfolding in Vorticose housing 25a, drive this fan 25c by electrical motor 25e by the S. A. (not shown), the housing 25a of each the 2nd supply ventilating fan 25 is fixed on the next door member 17 by modes such as screw retention.
In addition, each the 2nd supply ventilating fan 25, as Fig. 1, Fig. 4 and shown in Figure 5, blow-off outlet 25f separately is connected with connecting tube 27.These connecting tube 27, one ends are connected with a plurality of blow-off outlet 25f, and below one side of process evaporator 13 is towards the vehicle front one side setting of main body case 10, and an other end is communicated with blow out air mouth 28.This connecting tube 27, resin materials such as use polypropylene are by the processing of vacuum forming processing or blow molding processing etc., form the streamline contour that is shaped as in the ventilation channel, the air of sending into from a plurality of inlet portions is directed to swimmingly receive blow out air mouth 28 and blows swimmingly.
In addition, blow out air mouth 28 is set up the central portion of the vehicle cross direction of the vehicle front side end face that is positioned at main body case 10, and this blow out air mouth 28 is connected with the inlet portion that blows out pipeline 3 with described one deck.Here, from the Vorticose housing 25a of described 5 the 2nd supply ventilating fans 25 direction, make the mode that air flows swimmingly and set with blow out air mouth 28 places at described central portion to the blow-off outlet 25f of blow out air mouth 28 blow out air.That is, the blow-off outlet 25f of each the 2nd supply ventilating fan 25, with connecting tube 27 in inflow directions be the mode of roughly the same flow direction, as shown in Figure 1, be set to tiltedly descend direction to be connected with the inlet portion of connecting tube 27 towards a left side.
In addition, in Fig. 1, the 29th, condenser is the cooling media gas that graphic compressor is never discharged to be undertaken by the 3rd supply ventilating fan 6 and the outer gas that is admitted to interchange of heat cools off, the device of condensation.6a is the drive motor of the 3rd supply ventilating fan 6.In Fig. 2, the 30th, the indoor aftermost seat of the car of one deck seat, the aftermost wall part of 31 expression city motor buss.
According to above structure, the action of air-conditioning unit 1 is described.The compressor of refrigerating cycle is by the vehicle to run direct motor drive, when compressor carries out work, circulating cooling medium in the evaporator 13 of refrigerating cycle and condenser 29 carries out the evaporation of cooling media by evaporator 13, carries out the condensation of cooling media by condenser 29.
In addition, by drive motor 22e, 25e, 6a energising, make each supply ventilating fan 22,25,6 work to each supply ventilating fan 22,25,6.And the action by the 1st, the 2nd supply ventilating fan 22,25, the indoor air of car aspiration inlet 14,15 in the 1st, the 2nd is inhaled in the main body case 10, here cools off during through evaporator 13 and becomes cold wind.
And this cold wind is divided into 2 parts by next door member 17, and a part is not turned round by behind the evaporator 13, almost advances forward always, is inhaled into each the 1st supply ventilating fan 22 not lose the air openings 23 of pressure status by subtend wallboard 16a.In the 1st supply ventilating fan 22, flow in the energy chamber 20 after cold wind is boosted.And flow into two layers of usefulness by blow out air mouth 24 and blow out in the pipeline 2,2, blow out a plurality of blow-off outlets on the pipeline 2,2 from being located at these two layers of usefulness, cold wind blows out to the car of two floor is indoor from the car chamber top wall portion of two floor, makes the car chamber cooling of two floor.
A part of in addition, will be by the cold wind of evaporator 13, flow into one deck by connecting tube 27 and blow out air mouth 28 and blow out in the pipeline 3 by each the 2nd supply ventilating fan 25 suction, the back of boosting, from being located at this one deck a plurality of blow-off outlets that blow out on the pipeline 3, cold wind blows out to the car of one deck is indoor from the top wall portion of the car chamber of one deck, makes the car chamber cooling of one deck.
In addition, in condensing unit 12, by the action of the 3rd supply ventilating fan 6, outer gas here cools off and condensation cooling media gas by condenser 29 from being taken into mouthful 4 inflows.By the outer gas that condenser 29 temperature rise, discharge to the outside from the discharge orifice 5 of vehicle rear.Mouthful 4 outer gas that flow into that are taken into from vehicular sideview, can be directed to upstream one side of evaporator 13 as required by not shown outer gas path of navigation and the damper mechanism that is located on this path, so can implement the indoor ventilation of car according to need by the importing of this outer gas.
Air-conditioning unit 1 according to an above embodiment, cold wind by evaporator 13 is sucked in below stream 19, and make its with connecting tube 27 in the roughly the same flow direction of inflow direction, each inlet portion air-supply to connecting tube 27, each the 2nd supply ventilating fan 25 is set by this way, like this, the loss of pressure of the air that blows out from the blow-off outlet 25f at the 2nd supply ventilating fan 25 of each inlet portion of connecting tube 27 reduces significantly, when reaching the raising draft capacity, also can reduce the power waste of supply ventilating fan.
In addition, by improving the draft capacity of each, for example there is one in the use number in a plurality of the 2nd supply ventilating fans 25 to reach the purpose that reduces component costs by reduction.
In addition, a plurality of the 2nd supply ventilating fans 25, by blow-off outlet 25f separately is connected with connecting tube 27, make the air that blows out from the blow-off outlet 25f of each the 2nd supply ventilating fan 25 not collide mutually, interfere, thereby reach further reduction loss of pressure, simultaneously owing to the air that blows out from blow-off outlet 25f can not leak in the stream 19 of below, so can reach noise and the vibrations that reduction is sent from air-conditioning unit 1.
In addition, by the shape in the ventilation channel of connecting tube 27 is formed streamline contour, make from each blow-off outlet 25f blow out air flow swimmingly, thereby reach the loss of further reduction pressure and reduce noise.
In an above embodiment, connecting tube 27 is used resin material, by processing such as vacuum forming processing or blow molding processing, stream is formed streamline shape, but be not limited thereto, connecting the cross section in the blow-off outlet 25f of the 2nd supply ventilating fan 25 side is rectangle or the flexible conduit that can become circle from rectangle, in blow out air mouth 28 1 sides, also can form the connecting tube that an end that connects blow out air mouth 28 and make these a plurality of flexible conduit is integrated into blow out air mouth 28 1 sides simultaneously.Thus, so that the mode that the air that blows out from the blow-off outlet 25f of the 2nd supply ventilating fan 25 flows to the flow direction of flexible conduit connects the inlet portion of flexible conduit.Its result obtains the identical effect with an above-mentioned embodiment.
Claims (7)
1. cooling unit for air-conditioner of vehicle, have: the cooling H Exch of coolant air, with the next door member that described cooling is divided into top stream and below stream with air downstream one side of H Exch, blow out the 1st supply ventilating fan that pipeline is blown with being arranged in the stream of described top and to the 1st of the 1st space that is directed to vehicle from described top stream, have the housing of fan and this fan of folding and unfolding respectively, and blow out a plurality of the 2nd supply ventilating fans that pipeline is blown to the 2nd of the 2nd space that is directed to vehicle in the stream and from this below stream below being arranged on; It is characterized in that,
Blow out at each blow-off outlets and the described the 2nd of described a plurality of the 2nd supply ventilating fans and to be provided with connecting tube between the pipeline, described connecting tube has each blow-off outlet that is connected to described a plurality of the 2nd supply ventilating fans and is provided with the inlet portion of a plurality of minutes by-paths and is connected to the described the 2nd export department that blows out pipeline; And described connecting tube is directed to the 2nd to the air that blow-off outlet blew out from described a plurality of the 2nd supply ventilating fans swimmingly and blows out pipeline and compile connection in export department.
2. according to the described cooling unit for air-conditioner of vehicle of claim 1, it is characterized in that, the blow-off outlet and the described connecting tube of described the 2nd supply ventilating fan is set, the blow-off direction that makes described the 2nd supply ventilating fan is identical with inflow direction in the described connecting tube.
3. according to claim 1 or 2 described cooling unit for air-conditioner of vehicle, it is characterized in that the described fan of described the 2nd supply ventilating fan is the centrifugal multiple-wing fan, the housing of described the 2nd supply ventilating fan is Vorticose housing.
4. according to claim 1 or 2 described cooling unit for air-conditioner of vehicle, it is characterized in that described connecting tube extends through the downside of over-heat-exchanger and towards vehicle front.
5. according to the described cooling unit for air-conditioner of vehicle of claim 2, it is characterized in that, be applicable to that blowing out pipeline to the described the 1st is configured in and is positioned at two layers described the 1st space and blows out the double decker that pipeline is configured in the roof central portion in described the 2nd space that is positioned at one deck to the described the 2nd.
6. according to any described cooling unit for air-conditioner of vehicle in the claim 1 to 3, it is characterized in that, described cooling is formed the big shape of growing crosswise of horizontal direction size with H Exch, and described the 2nd supply ventilating fan disposes more than 3 at least side by side in the horizontal direction of described next door member.
7. according to the described cooling unit for air-conditioner of vehicle of claim 4, it is characterized in that, described the 2nd supply ventilating fan along continuous straight runs straight line configuration more than at least 3, and blow out the central portion that pipeline is configured in the horizontal direction that is positioned at described the 2nd supply ventilating fan more than at least 3 to the described the 2nd, the shape in the ventilation channel of described each connecting tube forms streamline contour.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001164657A JP3783578B2 (en) | 2001-05-31 | 2001-05-31 | Cooling unit for vehicle air conditioning |
JP2001164657 | 2001-05-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1389357A CN1389357A (en) | 2003-01-08 |
CN1189339C true CN1189339C (en) | 2005-02-16 |
Family
ID=19007447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02121686XA Expired - Lifetime CN1189339C (en) | 2001-05-31 | 2002-05-31 | Cooling unit for air-conditioner of vehicle |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP3783578B2 (en) |
CN (1) | CN1189339C (en) |
HK (1) | HK1051346A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011114410A1 (en) * | 2010-03-15 | 2011-09-22 | 株式会社ヴァレオジャパン | Vehicle air conditioning unit |
DE202011103765U1 (en) * | 2010-08-10 | 2011-12-01 | Ebm-Papst St. Georgen Gmbh & Co. Kg | blower assembly |
JP6095372B2 (en) * | 2013-01-11 | 2017-03-15 | 三菱電機株式会社 | Refrigeration air conditioner |
GB201308439D0 (en) * | 2013-05-10 | 2013-06-19 | Applied Design & Eng Ltd | Shelves for open-fronted display units |
JP6221890B2 (en) * | 2014-03-26 | 2017-11-01 | 株式会社デンソー | Air conditioning unit for vehicles |
JP6729606B2 (en) * | 2017-03-14 | 2020-07-22 | 株式会社デンソー | Vehicle air conditioner |
-
2001
- 2001-05-31 JP JP2001164657A patent/JP3783578B2/en not_active Expired - Lifetime
-
2002
- 2002-05-31 CN CNB02121686XA patent/CN1189339C/en not_active Expired - Lifetime
-
2003
- 2003-05-21 HK HK03103598A patent/HK1051346A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2002356109A (en) | 2002-12-10 |
HK1051346A1 (en) | 2003-08-01 |
JP3783578B2 (en) | 2006-06-07 |
CN1389357A (en) | 2003-01-08 |
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Granted publication date: 20050216 |