JP6905895B2 - コンデンサ - Google Patents
コンデンサ Download PDFInfo
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- JP6905895B2 JP6905895B2 JP2017163002A JP2017163002A JP6905895B2 JP 6905895 B2 JP6905895 B2 JP 6905895B2 JP 2017163002 A JP2017163002 A JP 2017163002A JP 2017163002 A JP2017163002 A JP 2017163002A JP 6905895 B2 JP6905895 B2 JP 6905895B2
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- refrigerant
- hole
- plug
- space
- peripheral wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/02—Subcoolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
- F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0243—Header boxes having a circular cross-section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
- F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
- F25B2339/0445—Condensers with an integrated receiver with throttle portions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
- F25B2339/0446—Condensers with an integrated receiver characterised by the refrigerant tubes connecting the header of the condenser to the receiver; Inlet or outlet connections to receiver
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/16—Receivers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/16—Receivers
- F25B2400/162—Receivers characterised by the plug or stop
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/23—Separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05341—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0084—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0091—Radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2230/00—Sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/028—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using inserts for modifying the pattern of flow inside the header box, e.g. by using flow restrictors or permeable bodies or blocks with channels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
受液器が、プラグの上端よりも上方に形成されかつ冷媒流入穴が臨む第1空間、およびプラグの上端よりも下方に形成されかつ冷媒流出穴が臨む第2空間を有し、
プラグが、筒状の周壁部と、周壁部における冷媒流出穴よりも下方の部分に設けられ、かつ周壁部の内部と受液器の外部とを隔てる下隔壁部と、周壁部の上端に設けられ、かつ周壁部の内部と第1空間とを隔てる上隔壁部とを備えており、
プラグの上端が冷媒流入穴と冷媒流出穴との間の高さ位置にあり、プラグの周壁部の外周面における冷媒流出穴よりも上方に位置する部分と、受液器本体の内周面における冷媒流入穴および冷媒流出穴の間に位置する部分との間がシール部材によりシールされ、当該シール部材よりも下方の部分において、プラグの周壁部の外周面と受液器本体の内周面との間に第2空間が形成され、
プラグの上隔壁部の上面が平坦面であってプラグの上端と同一高さ位置にあり、プラグの上隔壁部に、上端が上隔壁部の上面に開口するとともに下端が同下面に開口し、かつ周壁部の内部と第1空間とを通じさせる第1貫通穴が形成され、当該第1貫通穴の穴面積が冷媒流入穴の穴面積よりも小さくなっており、プラグの周壁部に、周壁部の内部と第2空間とを通じさせる第2貫通穴が形成され、第1貫通穴、周壁部の内部空間および第2貫通穴のみによって、一端が第1空間に開口するとともに他端が第2空間に開口した流路が構成され、第1貫通穴が当該流路の第1空間側開口になるとともに第2貫通穴が当該流路の第2空間側開口になり、流路の第1空間側開口である第1貫通穴が冷媒流入穴よりも下方の高さ位置にあり、第1貫通穴が、断面積が冷媒流入穴の穴面積よりも小さい絞り部分となっているコンデンサ。
受液器が、プラグの上端よりも上方に形成されかつ冷媒流入穴が臨む第1空間、およびプラグの上端よりも下方に形成されかつ冷媒流出穴が臨む第2空間を有し、
プラグが、筒状の周壁部と、周壁部における冷媒流出穴よりも下方の部分に設けられ、かつ周壁部の内部と受液器の外部とを隔てる隔壁部と、隔壁部に設けられ、かつ外周面が周壁部の内周面から離隔した上方突出部とを備えており、プラグの周壁部の上端が冷媒流入穴と冷媒流出穴との間の高さ位置にあり、当該周壁部の外周面における冷媒流出穴よりも上方に位置する部分と、受液器本体の内周面における冷媒流入穴および冷媒流出穴の間に位置する部分との間がシール部材によりシールされており、当該シール部材よりも下方の部分において、プラグの周壁部の外周面と受液器本体の内周面との間に第2空間が形成され、プラグの周壁部の内周面と上方突出部の外周面との間に、周壁部の上端と同一高さ位置において上方に開口しかつ第1空間に通じる冷媒流通間隙が全周にわたって形成され、冷媒流通間隙の横断面積が上下方向の全体にわたって同一であるとともに、冷媒流通間隙の上端開口の面積が冷媒流入穴の穴面積よりも小さくなっており、プラグの周壁部に、冷媒流通間隙と第2空間とを通じさせる貫通穴が形成され、冷媒流通間隙および周壁部の貫通穴のみによって、一端が第1空間に開口するとともに他端が第2空間に開口した流路が構成され、冷媒流通間隙の上端開口が当該流路の第1空間側開口になるとともに周壁部の貫通穴が当該流路の第2空間側開口になり、流路の第1空間側開口である冷媒流通間隙の上端開口が冷媒流入穴よりも下方の高さ位置にあり、冷媒流通間隙が、断面積が冷媒流入穴の穴面積よりも小さい絞り部分となっているコンデンサ。
(2):凝縮部
(3):過冷却部
(4):受液器
(5):熱交換管
(7):左側ヘッダタンク
(16):冷媒流出口
(17):冷媒流入口
(19):凝縮部出口ヘッダ
(20):受液器本体
(21):過冷却部入口ヘッダ
(23):ベース部材
(24):タンク部材
(25)(60)(70):プラグ
(26):めねじ部
(27):冷媒流入穴
(28):冷媒流出穴
(29):第1空間
(30):第2空間
(31):流路
(32):絞り部分
(39):周壁部
(40):下隔壁部
(41):上隔壁部
(47):おねじ部
(50):上貫通穴(第1貫通穴)
(51):下貫通穴(第2貫通穴)
(61):隔壁部
(62):上方突出部
(63):冷媒流通間隙
(54):上側Oリング(シール部材)
(56):下側Oリング(下シール部材)
Claims (6)
- 長手方向を上下方向に向けて配置された凝縮部出口ヘッダ、および長手方向を左右方向に向けるとともに長手方向一端が凝縮部出口ヘッダに接続された複数の熱交換管を有する凝縮部と、長手方向を上下方向に向けて凝縮部出口ヘッダの下方に配置された過冷却部入口ヘッダ、および長手方向を左右方向に向けるとともに長手方向一端が過冷却部入口ヘッダに接続された複数の熱交換管を有し、かつ凝縮部の下方に設けられた過冷却部と、凝縮部と過冷却部との間に設けられ、かつ凝縮部から流入した気液混相冷媒を気相冷媒と液相冷媒とに分離する受液器とを備えており、受液器が、長手方向を上下方向に向け、かつ上端が閉鎖されるとともに下端が開口した受液器本体と、受液器本体内に下方から着脱自在に嵌め入れられて受液器本体の下端開口を閉鎖するプラグとからなり、受液器本体に、凝縮部出口ヘッダから冷媒が流入する冷媒流入穴および過冷却部入口ヘッダに冷媒が流出する冷媒流出穴が、冷媒流入穴が上方に位置するように上下方向に間隔をおいて形成されているコンデンサであって、
受液器が、プラグの上端よりも上方に形成されかつ冷媒流入穴が臨む第1空間、およびプラグの上端よりも下方に形成されかつ冷媒流出穴が臨む第2空間を有し、
プラグが、筒状の周壁部と、周壁部における冷媒流出穴よりも下方の部分に設けられ、かつ周壁部の内部と受液器の外部とを隔てる下隔壁部と、周壁部の上端に設けられ、かつ周壁部の内部と第1空間とを隔てる上隔壁部とを備えており、
プラグの上端が冷媒流入穴と冷媒流出穴との間の高さ位置にあり、プラグの周壁部の外周面における冷媒流出穴よりも上方に位置する部分と、受液器本体の内周面における冷媒流入穴および冷媒流出穴の間に位置する部分との間がシール部材によりシールされ、当該シール部材よりも下方の部分において、プラグの周壁部の外周面と受液器本体の内周面との間に第2空間が形成され、
プラグの上隔壁部の上面が平坦面であってプラグの上端と同一高さ位置にあり、プラグの上隔壁部に、上端が上隔壁部の上面に開口するとともに下端が同下面に開口し、かつ周壁部の内部と第1空間とを通じさせる第1貫通穴が形成され、当該第1貫通穴の穴面積が冷媒流入穴の穴面積よりも小さくなっており、プラグの周壁部に、周壁部の内部と第2空間とを通じさせる第2貫通穴が形成され、第1貫通穴、周壁部の内部空間および第2貫通穴のみによって、一端が第1空間に開口するとともに他端が第2空間に開口した流路が構成され、第1貫通穴が当該流路の第1空間側開口になるとともに第2貫通穴が当該流路の第2空間側開口になり、流路の第1空間側開口である第1貫通穴が冷媒流入穴よりも下方の高さ位置にあり、第1貫通穴が、断面積が冷媒流入穴の穴面積よりも小さい絞り部分となっているコンデンサ。 - 長手方向を上下方向に向けて配置された凝縮部出口ヘッダ、および長手方向を左右方向に向けるとともに長手方向一端が凝縮部出口ヘッダに接続された複数の熱交換管を有する凝縮部と、長手方向を上下方向に向けて凝縮部出口ヘッダの下方に配置された過冷却部入口ヘッダ、および長手方向を左右方向に向けるとともに長手方向一端が過冷却部入口ヘッダに接続された複数の熱交換管を有し、かつ凝縮部の下方に設けられた過冷却部と、凝縮部と過冷却部との間に設けられ、かつ凝縮部から流入した気液混相冷媒を気相冷媒と液相冷媒とに分離する受液器とを備えており、受液器が、長手方向を上下方向に向け、かつ上端が閉鎖されるとともに下端が開口した受液器本体と、受液器本体内に下方から着脱自在に嵌め入れられて受液器本体の下端開口を閉鎖するプラグとからなり、受液器本体に、凝縮部出口ヘッダから冷媒が流入する冷媒流入穴および過冷却部入口ヘッダに冷媒が流出する冷媒流出穴が、冷媒流入穴が上方に位置するように上下方向に間隔をおいて形成されているコンデンサであって、
受液器が、プラグの上端よりも上方に形成されかつ冷媒流入穴が臨む第1空間、およびプラグの上端よりも下方に形成されかつ冷媒流出穴が臨む第2空間を有し、
プラグが、筒状の周壁部と、周壁部における冷媒流出穴よりも下方の部分に設けられ、かつ周壁部の内部と受液器の外部とを隔てる隔壁部と、隔壁部に設けられ、かつ外周面が周壁部の内周面から離隔した上方突出部とを備えており、プラグの周壁部の上端が冷媒流入穴と冷媒流出穴との間の高さ位置にあり、当該周壁部の外周面における冷媒流出穴よりも上方に位置する部分と、受液器本体の内周面における冷媒流入穴および冷媒流出穴の間に位置する部分との間がシール部材によりシールされており、当該シール部材よりも下方の部分において、プラグの周壁部の外周面と受液器本体の内周面との間に第2空間が形成され、プラグの周壁部の内周面と上方突出部の外周面との間に、周壁部の上端と同一高さ位置において上方に開口しかつ第1空間に通じる冷媒流通間隙が全周にわたって形成され、冷媒流通間隙の横断面積が上下方向の全体にわたって同一であるとともに、冷媒流通間隙の上端開口の面積が冷媒流入穴の穴面積よりも小さくなっており、プラグの周壁部に、冷媒流通間隙と第2空間とを通じさせる貫通穴が形成され、冷媒流通間隙および周壁部の貫通穴のみによって、一端が第1空間に開口するとともに他端が第2空間に開口した流路が構成され、冷媒流通間隙の上端開口が当該流路の第1空間側開口になるとともに周壁部の貫通穴が当該流路の第2空間側開口になり、流路の第1空間側開口である冷媒流通間隙の上端開口が冷媒流入穴よりも下方の高さ位置にあり、冷媒流通間隙が、断面積が冷媒流入穴の穴面積よりも小さい絞り部分となっているコンデンサ。 - 上方突出部の上端が冷媒流入穴の下端よりも上方の高さ位置にあり、冷媒流入穴から受液器内に流入した冷媒が、上方突出部の外周面に当たるようになっている請求項2記載のコンデンサ。
- 上方突出部の上端が冷媒流入穴の上端以上の高さ位置にある請求項3記載のコンデンサ。
- 受液器本体の内周面における冷媒流出穴よりも下方の部分にめねじ部が設けられ、プラグの周壁部の外周面における上下方向の中間部でかつ冷媒流出穴よりも下方の部分におねじ部が設けられるとともに、当該おねじ部が受液器本体のめねじ部にねじ嵌められており、受液器本体の内周面におけるめねじ部よりも下方に位置する部分と、プラグの周壁部の外周面におけるおねじ部よりも下方に位置する部分との間が下シール部材によりシールされている請求項1〜4のうちのいずれかに記載のコンデンサ。
- 受液器本体が、上下両端が開口した筒状であり、かつコンデンサのヘッダタンクに接合されたベース部材と、上端が閉鎖されるとともに下端が開口した筒状であり、かつ下端部がベース部材に固定されたタンク部材とよりなり、プラグが、ベース部材内に下方から嵌め入れられている請求項1〜5のうちのいずれかに記載のコンデンサ。
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