Air conditioning unit and air conditioning system for a vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60H-001/00
B61D-027/00
출원번호
US-0765853
(2004-01-29)
등록번호
US-7252137
(2007-08-07)
우선권정보
JP-2003-024679(2003-01-31)
발명자
/ 주소
Ozeki,Yukio
Ohashi,Toshio
Ohno,Masato
Uomoto,Manabu
Onda,Masaharu
출원인 / 주소
Calsonic Kansei Corporation
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
2
초록▼
An air conditioning unit includes an air conditioning casing formed with an inlet and an outlet. The air conditioning casing allows air to flow in the air conditioning casing from the inlet to the outlet. The conditioning unit also includes an evaporator arranged in the air conditioning casing and h
An air conditioning unit includes an air conditioning casing formed with an inlet and an outlet. The air conditioning casing allows air to flow in the air conditioning casing from the inlet to the outlet. The conditioning unit also includes an evaporator arranged in the air conditioning casing and having substantially a U-shape and a U-Shaped outer air flow path provided on an outer side of the U-shaped evaporator in the air conditioning casing. An inner air flow path is provided on an inner side of the U-shaped evaporator in the air conditioning casing and a heater core is arranged in the air conditioning casing.
대표청구항▼
What is claimed is: 1. An air conditioning unit, comprising: an air conditioning casing formed with an inlet and an outlet; a fan unit configured to make an air flow from the inlet to the outlet in the air conditioning casing; an evaporator arranged in the air conditioning casing and having substan
What is claimed is: 1. An air conditioning unit, comprising: an air conditioning casing formed with an inlet and an outlet; a fan unit configured to make an air flow from the inlet to the outlet in the air conditioning casing; an evaporator arranged in the air conditioning casing and having substantially a U-shape; a U-shaped outer air flow path provided on an outer side of the U-shaped evaporator in the air conditioning casing, and provided on one of an upstream and downstream sides of the air flow from the U-shaped evaporator; an inner flow path provided on an inner side of the U-shaped evaporator on one of the downstream and upstream sides of the air flow from the U-shaped evaporator; and a heater core arranged on the downstream side of the air flow from the U-shaped evaporator. 2. The air conditioning unit of claim 1, wherein: the U-shaped evaporator is formed of a plurality of evaporators. 3. The air conditioning unit of claim 1, wherein: the U-shaped evaporator is formed of a center evaporator and side evaporators arranged on each side of the center evaporator. 4. The air conditioning unit of claim 3, wherein: the U-shaped outer air flow path is on the upstream side of the air flow of the U-shaped evaporator and the inner air flow path is on the downstream side of the air flow from the U-shaped evaporator; and the heater core is arranged to face the center evaporator. 5. The air conditioning unit of claim 4, further comprising: a center space provided between the center evaporator and the heater core, configured to merge air flowing in the inner air flow path so that the merged air in the center space may be entirely passed through the heater core. 6. The air conditioning unit of claim 4, further comprising: a center space provided between the center evaporator and the heater core, configured to merge air flowing in the inner air flow path and pass the merged air through the heater core; a bypass configured to guide part of the air in the center space toward a downstream space behind the heater core by bypassing the heater core; and a bypass door arranged in the bypass, configured to open and close the bypass. 7. The air conditioning unit of claim 6, further comprising: an air mixing space provided on the downstream side from the heater core, configured to mix air passed through the bypass with air passed through the heater core. 8. The air conditioning unit of claim 4, wherein: the heater core is arranged in a space defined on the inner side of the U-shaped evaporator. 9. The air conditioning unit of claim 8, wherein: the heater core is inclined relative to the center evaporator of the U-shaped evaporator and is arranged to face the center evaporator. 10. The air conditioning unit of claim 9, wherein: the U-shaped evaporator is arranged in an upright posture and the heater core is inclined relative to the center evaporator and is arranged to face the center evaporator. 11. The air conditioning unit of claim 8, wherein the U-shaped outer air flow path comprises a center path provided on the outer side of the center evaporator and first and second side paths provided on the outer sides of the side evaporators, respectively, the air conditioning unit further comprising: an air inlet formed on the air conditioning casing at a corner between the center path and the first side path, configured to guide air in a straight extending direction of the center path. 12. The air conditioning unit of claim 11, further comprising: a path contraction formed at a connection between the air inlet and the center path, configured to increase air distribution to the first side path. 13. The air conditioning unit of claim 11, wherein: the first and second side paths are tapered so as to become narrower toward front ends thereof. 14. The air conditioning unit of claim 11, further comprising: a corner path curved along a corner between the center path and the second side path, the corner path being curved by rounding an outer wall of the corner path. 15. The air conditioning unit of claim 11, further comprising: a smoother arranged at each intersection between the center evaporator and the side evaporators, configured to smooth an air flow. 16. The air conditioning unit of claim 4, further comprising: a bypass formed for an inner air flow path provided for each of the side evaporators, configured to directly guide at least part of the air passed through the side evaporators into a downstream space behind the heater core by bypassing the heater core; and a bypass door arranged in the bypass, configured to open and close the bypass. 17. The air conditioning unit of claim 16, further comprising: an air mixing space provided on the downstream side from the heater core, configured to mix air passed through the bypasses with air passed through the heater core. 18. A vehicle comprising: an air conditioning system including an air conditioning unit and a fan unit configure to supply air flow to the air conditioning unit, the air conditioning unit including: an air conditioning casing having air flow paths therein, an inlet and an outlet formed thereon; an evaporator arranged in the air conditioning casing and having substantially a U-shape; a U-shaped outer air flow path formed between the U-shaped evaporator and the air conditioning casing along the U-shaped evaporator, the outer air flow path being upstream from the U-shaped evaporator in an air flow direction; an inner air flow path provided on the inner side of the U-shaped evaporator downstream from the U-shaped evaporator in the air flow direction; and a heater core arranged downstream from the U-shaped evaporator in the air flow direction. 19. The vehicle of claim 18, wherein: the air conditioning unit is arranged at a widthwise center of the vehicle in an instrument panel in front of a front seat of the vehicle, and the fan unit is arranged beside the air conditioning unit in the widthwise direction of the vehicle. 20. The vehicle of claim 19, wherein: an opening of the U-shaped evaporator and the heater core are oriented to the rear of the vehicle, and the air inlet is oriented in a widthwise direction of the vehicle. 21. The vehicle of claim 18 wherein: the U-shape outer air flow path has a center path and first and second side paths so as to be in a substantially U-shape. 22. The vehicle of claim 21, wherein: the air inlet provided for the air conditioning casing at a corner between the center path of the outer air flow path and the first side path of the outer air flow path, the air inlet configured to guide air in a straight extending direction of the center path. 23. The vehicle of claim 18, wherein: the U-shaped evaporator being arranged to open toward a rear of the vehicle, the air inlet being oriented in a widthwise direction of the vehicle, the air conditioning unit and the fan unit being arranged side by side in the widthwise direction of the vehicle. 24. An air conditioning unit, comprising: an air conditioning casing formed with an inlet and an outlet, the air conditioning casing allowing an air to flow in the air conditioning casing from the inlet to the outlet; an evaporator arranged in the air conditioning casing and having substantially a U-shape; a U-Shaped outer air flow path provided on an outer side of the U-shaped evaporator in the air conditioning casing; an inner air flow path provided on an inner side of the U-shaped evaporator in the air conditioning casing; and a heater core arranged in the air conditioning casing.
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이 특허에 인용된 특허 (2)
Christensen George M. (Sumner WA) Weyer Donald D. (Sumner WA), U-tube heat exchanger for bakery ovens.
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