Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent
1992-06-12
1994-09-27
Bertsch', Richard
Pumps
With condition responsive pumped fluid control
Pressure responsive relief or bypass valve
417356, 418220, F04B 4900
Patent
active
053502809
ABSTRACT:
A fluid compressor comprises a rotary member, a cylinder, and a closed casing for receiving the rotary member and cylinder. The rotary member and cylinder are relatively turned so that a fluid is drawn into work chambers through a suction port, successively compressed and conveyed toward a discharge port through the work chambers, and discharged outside. The fluid compressor is provided with a control valve means. When pressure in the work chambers exceeds a predetermined value during the compressing process, the control valve releases the pressure through a discharge or suction end of the cylinder, or to the inside of the casing.
REFERENCES:
patent: 2401189 (1946-05-01), Quiroz
patent: 4818195 (1989-04-01), Murayama et al.
patent: 4871304 (1989-10-01), Iida et al.
patent: 5026264 (1991-06-01), Moruzumi et al.
Hayano Makoto
Hirayama Takuya
Kobuna Teruo
Kumazawa Takeshi
Morozumi Naoya
Bertsch Richard
Kabushiki Kaisha Toshiba
Kocharov M.
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