Variable orifice device

Details Variable orifice device Variable orifice device

1985-11-26

1987-03-31

Cohan, Alan

Fluid handling

Systems

With pump

192109F, 138 46, F16D 2514, F15D 102

Patent

active

046535330

ABSTRACT:
The present invention relates to a variable orifice device for modulating a clutch oil pressure of a power transmission. The device includes a body member having a pocket and a first and a second port. The pocket is open to one side of the body member with the first port connecting the pocket to an oil pump and the second port connecting the pocket to a modulator valve device. A plate member is arranged in the pocket and has a passage and a plurality of orifices. Each of the orifices has a different diameter. A selected one of the orifices communicates with the second port and the passage communicates with the first port. A cover member is arranged in the pocket and has a recess for connecting the passage to the selected one of the orifices.

REFERENCES:
patent: 1621876 (1927-03-01), Doerr
patent: 2384354 (1945-09-01), Talley
patent: 3562782 (1971-02-01), Zychal
patent: 4132302 (1979-01-01), Chatterjea
patent: 4422536 (1983-12-01), Shatuck
patent: 4560044 (1985-12-01), Nagata

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