Lubrication – Systems – With lubricant treatment means
Patent
1979-05-17
1981-07-07
Brown, David H.
Lubrication
Systems
With lubricant treatment means
137115, 137529, 417228, F04B 3902
Patent
active
042769604
ABSTRACT:
The invention comprises a novel oil distributing arrangement, employing a valve which has a plurality of responses, for use in a gas compressing system or the like. The valve has a plurality of ports for admitting oil thereinto from an oil pump via a cooler, and for discharging oil therefrom, to a gas compressor (or some such similar oil-using end item) or for by-passing oil directly back to the oil pump (or a pump-serving oil reservoir), or for by-passing the cooler, etc. A translating valving element opens and closes communication between different oil admittance and oil discharge ports in the valve, in response to discrete ranges of valve-operating fluid pressures addressed to the valving element, to effect the cited by-passing functions, and to maintain a fairly uniform pump output pressure level.
REFERENCES:
patent: 3090365 (1963-05-01), Constantino
patent: 3429502 (1969-02-01), Lundrik
patent: 3578014 (1971-05-01), Gachot
patent: 4114571 (1978-09-01), Ruf
patent: 4171712 (1979-10-01), DeForrest
patent: 4180089 (1979-12-01), Webb
Aumick James M.
Kiefer William J.
Webb Paul D.
Brown David H.
Ingersoll-Rand Company
Murphy Bernard J.
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