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특허 상세정보

Compressor

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F25B-041/04    F04B-017/00   
미국특허분류(USC) 62/209 ; 62/217 ; 62/228.5 ; 62/508 ; 417/423.12
출원번호 US-0578563 (1996-03-08)
우선권정보 AU-0009394 (1993-06-15)
국제출원번호 PCT/AU94/00319 (1994-06-14)
§371/§102 date 19960308 (19960308)
국제공개번호 WO-9429597 (1994-12-22)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Dvorak & Orum
인용정보 피인용 횟수 : 99  인용 특허 : 4
초록

A centrifugal type refrigerant compressor comprises at least one impeller (17, 18), electric motor (27) and drive shaft (22) mounted on non-lubricated radial bearings, such as magnetic or foil gas bearings (23, 24), with axial locating means (26) associated with the shaft (22) to restrict axial movement thereof with respect to the compressor housing (12). The housing (12) encases the motor (27) and the compressor and defines the gas inlet (31) and the gas outlet (16) passageways. Gas throttling means (34) is provided in the inlet (31), and a control mean...

대표
청구항

[ I claim:] [1.] A compressor for compressing a refrigerant having liquid and gaseous phases, comprising:at least one centrifugal compressor stage having an impeller mounted on a shaft, the shaft being supported by oilless radial bearings:an electric motor for driving the shaft, the motor including a rotor connected to the shaft;axial locating means associated with the shaft to restrict axial movement thereof;a housing enclosing the motor and said at least one impeller, said housing incorporating an axially extending gas inlet and a gas outlet passage;ga...

이 특허를 인용한 특허 피인용횟수: 99

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