[특허]Air-conditioning system

[미국특허] Air-conditioning system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-041/00
출원번호	US-0036256 (1993-03-24)
우선권정보	JP-0001616 (1991-01-10); JP-0004841 (1991-01-21); JP-0008360 (1991-01-28); JP-0010415 (1991-01-31); JP-0010710 (1991-01-31); JP-0010711 (1991-01-31); JP-0014031 (1991-02-05); JP-0014162 (1991-02-05); JP-0014
발명자 / 주소	Hayashida Noriaki (Wakayama JPX) Nakamura Takashi (Wakayama JPX) Tani Hidekazu (Wakayama JPX) Kasai Tomohiko (Wakayama JPX) Kameyama Junichi (Wakayama JPX) Takata Shigeo (Wakayama JPX)
출원인 / 주소	Mitsubishi Denki Kabushiki Kaisha (Tokyo JPX 03)
인용정보	피인용 횟수 : 33 인용 특허 : 0

초록 ▼

An air conditioning system in which a single heat source unit (A) comprising a compressor (1), a four-way valve (2), a heat source unit side heat exchanger (3) and an accumulator (4) is connected to a plurality of indoor units (B, C, D) through a first and a second connection pipes (6, 7). Each indoor unit (B, C, D) comprises a suction air temperature detecting device (50) for detecting a suction air temperature of the indoor unit, an opening degree setting device for setting a minimum valve opening degree of the first flow rate controller 9 in accordance with the difference between the target temperature and the suction air temperature and a first valve opening degree control device (52) for controlling the valve opening degree of the first flow rate controller 9 at a predetermined rate to the minimum valve opening degree.

대표청구항 ▼

An air-conditioning system wherein a single heat source unit having a compressor, a four-way valve, a heat source unit side heat exchanger and an accumulator is connected to a plurality of indoor units having an indoor side heat exchanger and a first flow rate controller through first and second connection pipes; a first branch joint including a valve device for selectively connecting one of said plurality of indoor units to said first connection pipe or said second connection pipe and a second branch joint connected to another of said indoor side heat exchangers of said plurality of indoor units through said first flow rate controller and connected to said second connection pipe through said second flow rate controller are connected to each other through a second flow rate controller and a gas-liquid separating unit; said second branch joint and said first connection pipe are connected through a fourth flow rate controller; said second branch joint and said first connection pipe are connected through a bypass pipe having a third flow rate controller therein; and said air conditioning system comprises; a first heat exchanger portion for carrying out a heat-exchange between said bypass pipe between said third flow rate controller and said first connection pipe and pipings connecting said second connection pipe and said second flow rate controller; a flow path change over unit for allowing, when said heat source unit side heat exchanger is operated as a condenser, a flow of a refrigerant from a refrigerant outlet side of said condenser only to said second connection pipe and a flow of the refrigerant from said first connection pipe only to said four-way valve side, and allowing, when said heat source unit side heat exchanger is operated as an evaporator, a flow of the refrigerant from said first connection pipe only to a refrigerant inlet side of said evaporator and a flow of the refrigerant from said four-way valve only to said second connection pipe; and a junction unit disposed between said plurality of heat source units, said junction unit comprising said first branch joint, said second branch joint, a gas-liquid separator, said second flow rate controller, said third flow rate controller, said fourth flow rate controller, said first heat exchanger portion and said bypass pipes; characterized by the provision of: suction air temperature detecting means for detecting a suction air temperature of said plurality of indoor units; opening degree setting means for setting a minimum valve opening degree of said first flow rate controller in response to a difference between a detected temperature of said suction air temperature detection means and a predetermined target temperature; and first valve opening degree controlling means for controlling the valve opening degree of said first flow rate controller at a predetermined rate determined by said first valve opening degree controlling means such that said first flow rate controller is moved to said minimum valve opening degree set by said opening degree setting means at said predetermined rate.

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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Air-conditioning system 원문보기

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