WO2022130927A1 - ケーシングユニット - Google Patents
ケーシングユニット Download PDFInfo
- Publication number
- WO2022130927A1 WO2022130927A1 PCT/JP2021/043199 JP2021043199W WO2022130927A1 WO 2022130927 A1 WO2022130927 A1 WO 2022130927A1 JP 2021043199 W JP2021043199 W JP 2021043199W WO 2022130927 A1 WO2022130927 A1 WO 2022130927A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- casing
- end surface
- protrusion
- guide
- main body
- Prior art date
Links
- 230000004308 accommodation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
- B60H1/00528—Connections between housing parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/00635—Air-tight sealing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
Definitions
- the present disclosure relates to a casing unit.
- the present application claims priority with respect to Japanese Patent Application No. 2020-208378 filed in Japan on December 16, 2020, the contents of which are incorporated herein by reference.
- the HVAC unit of a vehicle air conditioner mainly includes equipment such as a heat exchanger and a fan, and a resin casing unit that covers these equipment from the outside. Inside the casing unit, a flow path through which the air blown generated by the fan flows is formed. It is important to maintain the airtightness of such a flow path in order to supply the blast into the vehicle without causing loss.
- the air-conditioning case according to Patent Document 1 below has a concave portion provided in the first case main body and a convex portion provided in the second case main body and inserted into the concave portion.
- a tapered portion is formed on the side surface of the convex portion.
- the present disclosure has been made to solve the above problems, and an object of the present disclosure is to provide a casing unit having higher airtightness and liquidtightness and which can be easily assembled.
- the casing unit according to the present disclosure is a casing unit having a first casing and a second casing that is combined from the first direction with respect to the first casing, and the first casing is
- the second casing has a first casing main body and a protrusion protruding from the first casing main body toward the second casing side, and the second casing is formed with a storage groove in which the protrusion is accommodated.
- the first casing has a second casing main body, and the first casing and the second casing are combined in the first direction on either one of the protruding portion and the second casing main body.
- first casing and the second casing further have a wrap portion that is elastically deformable as the second casing moves relative to the second direction.
- FIG. 1 It is a schematic diagram which shows the structure of the casing unit which concerns on 1st Embodiment of this disclosure. It is an enlarged sectional view of the main part of the casing unit which concerns on 1st Embodiment of this disclosure. It is explanatory drawing which shows the state in the middle of assembling the casing unit which concerns on 1st Embodiment of this disclosure. It is an enlarged sectional view of the main part which shows the modification of the casing unit which concerns on 1st Embodiment of this disclosure. It is an enlarged sectional view of the main part of the casing unit which concerns on the 2nd Embodiment of this disclosure.
- the casing unit 100 is, for example, a resin container for accommodating a fan, a heat exchanger, a damper, or the like of a vehicle air conditioner.
- the casing unit 100 includes a first casing 1 forming the lower half and a second casing 2 forming the upper half and combined with the first casing 1.
- a space for accommodating the above-mentioned various devices and a flow path for guiding the blown air are formed.
- the first casing 1 and the second casing 2 are provided with a plurality of engaging portions 3 for fixing the two to each other so as not to fall off.
- the direction in which the first casing 1 and the second casing 2 are combined is referred to as the first direction D1.
- the direction corresponding to the inner and outer directions of the casing unit 100 is referred to as the second direction D2.
- FIG. 2 shows a cross section of a portion different from the above-mentioned engaging portion 3.
- the first casing 1 has a first casing main body 10, a protruding portion 10P, and a tapered portion 10T.
- the first casing main body 10 extends from the first end surface 10S facing one side of the first direction D1 and the one end edge of the second direction D2 in the first end surface 10S toward the other side of the first direction D1. It has an outer surface 10W and an inner surface 10D facing opposite to the outer surface 10W in the second direction D2.
- a protrusion 10P is provided on the first end surface 10S.
- the protruding portion 10P protrudes from the first end surface 10S toward one side of the first direction D1.
- the dimension (that is, the thickness) of the protrusion 10P in the second direction D2 is set to be smaller than the dimension of the first end surface 10S in the second direction D2.
- the protruding portion 10P has a base portion R and a tip portion T. Both sides of the base R in the second direction D2 extend parallel to the first direction D1.
- the tip portion T has a tapered cross-sectional shape as the dimension of the second direction D2 gradually decreases toward one side of the first direction D1.
- a tapered portion 10T as an guiding portion is formed between the base portion R of the protruding portion 10P and the first end surface 10S.
- the tapered portion 10T extends from a surface of the base portion R facing one side of the second direction D2 to the first end surface 10S. More specifically, the tapered portion 10T has an edge extending from the base portion R toward the first end surface 10S toward one side of the second direction D2.
- a plurality of such tapered portions 10T are provided at intervals over the entire extending length of the protruding portions 10P.
- the outer surface 10W has a main surface 10A, an inclined surface 10B, and a parallel surface 10C.
- the main surface 10A and the parallel surface 10C extend in the first direction D1.
- the inclined surface 10B is inclined and extends toward one side of the second direction D2 from the main surface 10A side toward the parallel surface 10C side.
- These outer surfaces 10W are surfaces facing the outside of the casing unit 100.
- the inner surface 10D is a surface facing the opposite side of the main surface 10A and facing the inside of the casing unit 100.
- a recess 10R is formed in a portion of the inner surface 10D that overlaps the inclined surface 10B, the parallel surface 10C, and the first direction D1.
- the recess 10R is recessed from the inner surface 10D toward one side of the second direction D2.
- the recess 10R is formed by a bottom surface R1 facing one side of the first direction D1 and a side surface R2 connected to the bottom surface R1 and facing the other side of the second direction D2.
- the upper end of the side surface R2 is continuous with the base portion R of the protrusion 10P. That is, no step or the like is formed between the base portion R and the side surface R2.
- the second casing 2 has a second casing main body 20 and a wrap portion 20R.
- the second casing main body 20 has substantially the same thickness as the thickness from the parallel surface 10C to the inner surface 10D of the first casing main body 10 (that is, the dimension in the second direction D2).
- the second casing body 20 has an outer surface 20A facing outward, an inner surface 20B facing inward, and a second end surface 20C facing the other side of the first direction D1 (that is, facing the first casing 1 side). ing.
- the second end surface 20C is formed with a storage groove 20H in which the above-mentioned protrusion 10P is housed.
- the accommodating groove 20H is recessed from the second end surface 20C toward one side of the first direction D1.
- the dimension of the accommodating groove 20H in the second direction D2 is set to be slightly larger than the dimension of the protrusion 10P in the second direction D2.
- a gap is formed between one end surface of the protrusion 10P in the second direction D2 and the accommodating groove 20H.
- the other end surface of the protruding portion 10P and the accommodating groove 20H are in close contact with each other.
- the corner portion C1 between the second end surface 20C and the accommodating groove 20H is in a state of being in contact with the above-mentioned tapered portion 10T.
- a lap portion 20R is provided on the other side of the second direction D2 on the second end surface 20C.
- the lap portion 20R extends from the second end surface 20C toward the other side of the first direction D1.
- the thickness of the lap portion 20R (that is, the dimension in the second direction D2) is set to be smaller than the thickness of the second casing main body 20.
- the length of the lap portion 20R (that is, the dimension in the first direction D1) is set to be larger than the length of the protruding portion 10P.
- the lap portion 20R is in a state of being elastically deformed so as to be slightly curved toward the other side of the second direction D2 with the connection portion with the second end surface 20C as a fulcrum. That is, the lap portion 20R is in contact with the inner surface 10D in a state where an elastic restoring force is applied.
- the second casing 2 is further moved to the first direction D1.
- the corner portion C1 of the accommodating groove 20H comes into contact with the tapered portion 10T.
- the corner portion C1 is guided by the tapered portion 10T, so that the entire second casing 2 moves toward one side of the second direction D2. That is, the second casing 2 moves relative to the first casing 1 in the second direction D2.
- the projecting portion 10P and the inner surface of the accommodating groove 20H are in close contact with each other as described above based on FIG.
- the lap portion 20R is in a state of being elastically deformed while being in contact with the inner surface 10D.
- the first casing 1 and the second casing 2 move relative to each other in the second direction D2 by the tapered portion 10T as the guiding portion, so that the first casing 1 and the second casing 2 are strongly and closely attached to each other. It will be in the state of. This makes it possible to secure even higher airtightness and liquidtightness.
- the wrap portion 20R is elastically deformed in a state of overlapping with the first casing main body 10, the wrap portion 20R can further improve the airtightness and liquidtightness. Further, since the place to be elastically deformed at the time of assembly is limited to only the lap portion 20R, it is possible to easily assemble without requiring a large force.
- the wrap portion 20R since the size of the wrap portion 20R is larger than that of the protruding portion 10P, the wrap portion 20R can be more easily elastically deformed with the insertion of the protruding portion 10P. As a result, assembly can be performed without requiring a large force.
- the second casing 2 moves relative to the second direction D2 along the tapered portion 10T.
- the first casing 1 and the second casing 2 can be brought into close contact with each other.
- the base portion R (the portion opposite to the tip portion T) of the protruding portion 10P can be largely secured by forming the tapered portion 10T, the strength of the protruding portion 10P can be increased.
- the tapered portion 10T' may be formed over the entire side surface of the protruding portion 10P facing the second direction D2, that is, over the entire extending length of the base portion R. It is possible. According to this configuration, the tapered portion 10T'can move the first casing 1 and the second casing 2 more relative to each other. As a result, the first casing 1 and the second casing 2 can be brought into close contact with each other even more strongly.
- the second embodiment of the present disclosure will be described with reference to FIG.
- the same components as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.
- the guide projection 30 and the guide groove 30R as the guide portion are formed in the first casing 1 and the second casing 2, respectively, instead of the tapered portion 10T described above.
- the guide projection 30 projects from the second end surface 20C of the second casing 2 toward the other side of the first direction D1.
- the cross-sectional shape of the guide protrusion 30 is a right triangle. More specifically, the hypotenuse in the cross section of the guide projection 30 extends toward one side of the second direction D2 toward the other side of the first direction D1.
- the guide groove 30R accommodates the guide protrusion 30.
- the guide groove 30R is recessed from the first end surface 10S of the first casing 1 toward the other side of the first direction D1.
- the cross-sectional shape of the guide groove 30R is the same as the cross-sectional shape of the guide protrusion 30. It should be noted that the same as used here means substantially the same, and design tolerances and manufacturing errors are allowed.
- the guide groove 30R is formed at a position shifted to one side of the second direction D2 with respect to the guide protrusion 30.
- the guide projection 30 and the guide groove 30R may be continuously formed over the entire circumference of the first end surface 10S and the second end surface 20C, or may be provided in plurality at intervals.
- the guide protrusion 30 is accommodated in the guide groove 30R.
- the guide groove 30R is formed at a position deviated from the guide protrusion 30 in the second direction D2.
- the hypotenuses of the guide projection 30 and the guide groove 30R are brought into contact with each other so as to slide against each other, so that the first casing 1 and the second casing 2 can be relatively moved in the second direction D2.
- the first casing 1 and the second casing 2 can be brought into close contact with each other.
- the second embodiment of the present disclosure has been described above. It is possible to make various changes and modifications to the above configuration as long as it does not deviate from the gist of the present disclosure.
- the guide projection 30 is provided in the second casing 2 and the guide groove 30R is formed in the first casing 1 has been described.
- the casing unit 100 can be used for accommodating a mechanical device other than the vehicle air conditioner. Further, the appearance of the casing unit 100 shown in FIG. 1 is an example, and various shapes and dimensions can be obtained according to the design and specifications.
- the casing unit 100 is a casing unit 100 having a first casing 1 and a second casing 2 combined with the first casing 1 from the first direction D1.
- One casing 1 has a first casing main body 10 and a protruding portion 10P protruding from the first casing main body 10 toward the second casing 2 side, and the second casing 2 has the protruding portion 10P.
- an guiding portion for relatively moving the first casing 1 and the second casing 2 in the second direction D2 intersecting the first direction D1 is formed.
- the two casings 2 overlap with the first casing main body 10 in the first direction D1 in the combined state, and the first casing 1 and the second casing 2 move relative to the second direction D2. Further, it has a lap portion 20R that can be elastically deformed accordingly.
- the first casing 1 and the second casing 2 move relative to each other in the second direction D2 by the guiding portion, so that the first casing 1 and the second casing 2 are in a strongly close contact with each other. Further, since the place to be elastically deformed at the time of assembly is limited to only the lap portion 20R, it is possible to easily assemble without requiring a large force.
- the dimension of the lap portion 20R in the first direction D1 may be set to be larger than the dimension of the protrusion portion 10P in the first direction D1.
- the wrap portion 20R since the size of the wrap portion 20R is larger than that of the protruding portion 10P, the wrap portion 20R can be more easily elastically deformed with the insertion of the protruding portion 10P.
- the protruding portion 10P is formed on the first end surface 10S of the first casing main body 10 facing the first direction D1 and is orthogonal to the first direction D1. In cross-sectional view, it has a tip portion T extending in the first direction D1 and a tapered portion 10T as the guiding portion extending from the tip portion T toward the first end surface 10S in the second direction D2. May be good.
- the second casing 2 moves relative to the second direction D2 along the tapered portion 10T.
- the first casing 1 and the second casing 2 can be brought into close contact with each other.
- the tapered portion 10T' may be formed over the entire surface of the protruding portion 10P facing the second direction D2.
- the tapered portion 10T' can move the first casing 1 and the second casing 2 more relative to each other.
- the protruding portion 10P is formed on the first end surface 10S of the first casing main body 10 facing the first direction D1, and the accommodating groove 20H is the first.
- the guiding portion is formed on the second end surface 20C facing the first end surface 10S of the casing main body 20, and the guiding portion is a guide projecting from either one of the first end surface 10S and the second end surface 20C toward the other. It is formed on the other of the protrusion 30, the first end surface 10S, and the second end surface 20C, and is formed at a position that accommodates the guide protrusion 30 and is displaced from the guide protrusion 30 in the second direction D2. It may have a casing 30R and the casing.
- the guide protrusion 30 is accommodated in the guide groove 30R.
- the guide groove 30R is formed at a position shifted from the guide protrusion 30 in the second direction D2.
- the first casing 1 and the second casing 2 can be relatively moved in the second direction D2.
- the first casing 1 and the second casing 2 can be brought into close contact with each other.
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
本願は、2020年12月16日に日本に出願された特願2020-208378号について優先権を主張し、その内容をここに援用する。
(ケーシングユニットの構成)
以下、本開示の第一実施形態に係るケーシングユニット100について、図1から図3を参照して説明する。ケーシングユニット100は、例えば車両用空調装置のファンや熱交換器、ダンパ等を収容する樹脂製の容器である。図1に示すように、ケーシングユニット100は、下半をなす第一ケーシング1と、上半をなすとともにこの第一ケーシング1に組み合わされる第二ケーシング2と、を備えている。これら第一ケーシング1と第二ケーシング2の内部には上述の各種機器を収容するための空間や、送風を案内するための流路が形成されている。
次いで、図2を参照してケーシングユニット100の接合部の構成について説明する。図2は上述した係合部3とは異なる箇所の断面を示している。同図に示すように、第一ケーシング1は、第一ケーシング本体10と、突出部10Pと、テーパ部10Tと、を有している。
第二ケーシング2は、第二ケーシング本体20と、ラップ部20Rと、を有している。第二ケーシング本体20は、第一ケーシング本体10の平行面10Cから内面10Dまでの厚さ(つまり、第二方向D2における寸法)と略同一の厚さを有している。第二ケーシング本体20は、外側を向く外面20Aと、内側を向く内面20Bと、第一方向D1の他方側を向く(つまり、第一ケーシング1側を向く)第二端面20Cと、を有している。
続いて、図3を参照して、ケーシングユニット100を組み立てる際の各部の挙動について説明する。同図に示すように、ケーシングユニット100を組み立てるに当たってはまず、第一ケーシング1と第二ケーシング2とを第一方向D1から正対させる。次いで、第一ケーシング1に対して第二ケーシング2を第一方向D1に移動させて、突出部10Pが収容溝20Hに中途まで挿入された状態とする。この時、ラップ部20Rは内面10Dに当接してはいるものの、弾性変形はしていない状態となっている。
次に、本開示の第二実施形態について、図5を参照して説明する。なお、上記の第一実施形態と同様の構成については同一の符号を付し、詳細な説明を省略する。同図に示すように、本実施形態では上述のテーパ部10Tに代えて、誘導部としての誘導突起30、及び誘導溝30Rが第一ケーシング1、及び第二ケーシング2にそれぞれ形成されている。
各実施形態に記載のケーシングユニット100は、例えば以下のように把握される。
1 第一ケーシング
2 第二ケーシング
3 係合部
10 第一ケーシング本体
10A 主面
10B 傾斜面
10C 平行面
10D 内面
10P 突出部
10R 凹部
10S 第一端面
10T,10T´ テーパ部
10W 外面
20 第二ケーシング本体
20A 外面
20B 内面
20C 第二端面
20H 収容溝
20R ラップ部
30 誘導突起
30R 誘導溝
C1 角部
R 基部
R1 底面
R2 側面
T 先端部
Claims (5)
- 第一ケーシング、及び該第一ケーシングに対して第一方向から組み合わせられる第二ケーシングを有するケーシングユニットであって、
前記第一ケーシングは、
第一ケーシング本体と、
前記第一ケーシング本体から前記第二ケーシング側に向かって突出する突出部と、
を有し、
前記第二ケーシングは、
前記突出部が収容される収容溝が形成された第二ケーシング本体を有し、
前記突出部、及び前記第二ケーシング本体のいずれか一方には、前記第一ケーシングと前記第二ケーシングを前記第一方向に組み合わせることに伴って、前記第一ケーシング、及び前記第二ケーシングを前記第一方向に交差する第二方向に相対移動させる誘導部が形成され、
前記第二ケーシングは、前記組み合わせられた状態で前記第一方向にて前記第一ケーシング本体と重複するとともに、前記第一ケーシング、及び前記第二ケーシングが前記第二方向に相対移動することに伴って弾性変形可能なラップ部をさらに有するケーシングユニット。 - 前記第一方向における前記ラップ部の寸法は、前記第一方向における前記突出部の寸法よりも大きく設定されている請求項1に記載のケーシングユニット。
- 前記突出部は、前記第一ケーシング本体における前記第一方向を向く第一端面に形成され、前記第一方向に直交する断面視で、前記第一方向に延びる先端部と、該先端部から前記第一端面に向かうに従って前記第二方向に延びる前記誘導部としてのテーパ部と、を有する請求項1又は2に記載のケーシングユニット。
- 前記テーパ部は、前記突出部における前記第二方向を向く面の全域に形成されている請求項3に記載のケーシングユニット。
- 前記突出部は、前記第一ケーシング本体における前記第一方向を向く第一端面に形成され、
前記収容溝は、前記第二ケーシング本体における前記第一端面と対向する第二端面に形成され、
前記誘導部は、
前記第一端面、及び前記第二端面のいずれか一方から他方に向かって突出する誘導突起と、
前記第一端面、及び前記第二端面のうちの他方に形成され、前記誘導突起を収容するとともに該誘導突起よりも前記第二方向にずれた位置に形成された誘導溝と、
を有する請求項1から4のいずれか一項に記載のケーシングユニット。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/266,949 US20230391162A1 (en) | 2020-12-16 | 2021-11-25 | Casing unit |
EP21906290.8A EP4234284A4 (en) | 2020-12-16 | 2021-11-25 | CASING UNIT |
CN202180081197.4A CN116529101A (zh) | 2020-12-16 | 2021-11-25 | 壳体单元 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020-208378 | 2020-12-16 | ||
JP2020208378A JP2022095197A (ja) | 2020-12-16 | 2020-12-16 | ケーシングユニット |
Publications (1)
Publication Number | Publication Date |
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WO2022130927A1 true WO2022130927A1 (ja) | 2022-06-23 |
Family
ID=82059081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2021/043199 WO2022130927A1 (ja) | 2020-12-16 | 2021-11-25 | ケーシングユニット |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230391162A1 (ja) |
EP (1) | EP4234284A4 (ja) |
JP (1) | JP2022095197A (ja) |
CN (1) | CN116529101A (ja) |
WO (1) | WO2022130927A1 (ja) |
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JP2011251555A (ja) * | 2010-05-31 | 2011-12-15 | Mitsubishi Heavy Ind Ltd | 車両用空気調和装置 |
US20140119824A1 (en) * | 2012-10-25 | 2014-05-01 | Delphi Technologies, Inc. | Hvac case having equalized sealing force tongue and groove joint |
JP2018177198A (ja) | 2017-04-17 | 2018-11-15 | 株式会社デンソー | 空調ケース |
Family Cites Families (2)
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DE58902628D1 (de) * | 1989-08-31 | 1992-12-10 | Siemens Ag | Aus zumindest zwei gehaeuseteilen dichtend zusammensetzbares gehaeuse. |
JP5949448B2 (ja) * | 2012-10-29 | 2016-07-06 | 株式会社デンソー | 空調ケース |
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2020
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Patent Citations (4)
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JPH04505396A (ja) * | 1989-11-15 | 1992-09-17 | モデレック、ソシエテ、アノニム | 電気機器の噴射水防護形接続ハウジング |
JP2011251555A (ja) * | 2010-05-31 | 2011-12-15 | Mitsubishi Heavy Ind Ltd | 車両用空気調和装置 |
US20140119824A1 (en) * | 2012-10-25 | 2014-05-01 | Delphi Technologies, Inc. | Hvac case having equalized sealing force tongue and groove joint |
JP2018177198A (ja) | 2017-04-17 | 2018-11-15 | 株式会社デンソー | 空調ケース |
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CN116529101A (zh) | 2023-08-01 |
EP4234284A4 (en) | 2024-05-08 |
JP2022095197A (ja) | 2022-06-28 |
EP4234284A1 (en) | 2023-08-30 |
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