Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent
1993-02-04
1994-10-18
Gluck, Richard E.
Pumps
With condition responsive pumped fluid control
Pressure responsive relief or bypass valve
417308, F04B 4900
Patent
active
053562712
ABSTRACT:
A first through hole is formed into a shape such that the opening area at the start of the opening increases gradually along with the movement of a piston valve or an auxiliary through hole is provided in a cylinder to introduce the gas being compressed into a suction-side chamber by being opened by the piston valve before the first through hole is opened, so that the gas being compressed is prevented from suddenly entering the suction-side chamber when the piston valve moves in the cylinder.
REFERENCES:
patent: 5192195 (1993-03-01), Iio et al.
patent: 5193987 (1993-03-01), Iio et al.
patent: 5236316 (1993-08-01), Iio
Iio Takayuki
Miura Shigeki
Tanigaki Ryuhei
Basichas Alfred
Gluck Richard E.
Mitsubishi Jukogyo Kabushiki Kaisha
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