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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0903045 (1992-06-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A screw compressor employs a piston unloader which is disposed in a bore remote from the compressor\s working chamber. Flow communication between the bore and working chamber is through a series of non-overlapping unloader ports. The unloader piston has a notched end face which effectively causes th
A screw compressor comprising: a housing defining a working chamber, a bore remote from said working chamber and a plurality of ports communicating therebetween said ports being spaced apart so that no portion of any one of them overlaps a adjacent port along said bore; and means, disposed for axial
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