Fluid handling – Systems – Multi-way valve unit
Patent
1988-06-22
1989-06-13
Freeh, William L.
Fluid handling
Systems
Multi-way valve unit
417187, 417182, 251294, 251326, F04F 548, F16K 300
Patent
active
048389536
ABSTRACT:
An oil ejector for conveying a quantity of oil under pressure to a region to be lubricated, the including a nozzle member (4,18) having an inlet end for receiving a supply of oil under pressure and an outlet end for ejecting oil supplied to the inlet end, the outlet end having an outlet passage (6,20) through which oil is ejected at a higher velocity and lower pressure than the oil entering the inlet end, the ejection pressure being a function of outlet passage (6,20) cross-sectional area, wherein the nozzle member (4,18) includes, at the outlet end, a fixed part (4) having at least one opening (6) and a movable part (18) mounted to the fixed part (4) for movement transverse to the ejection direction and having at least one opening (20) at least partly overlapping the opening (6) in the fixed part (4), with the region of overlap between the openings (6,20) defining the outlet passage (6,20), and the ejector further includes a remotely actuatable displacing mechanism (24,26) coupled to the movable part (18) for moving the movable part (18) relative to the fixed part (4) in order to vary the cross-sectional area of the outlet passage (6,20).
REFERENCES:
patent: 210941 (1878-12-01), Harrigan
patent: 1192141 (1916-07-01), White
patent: 3103941 (1963-09-01), Watters
patent: 4150693 (1979-04-01), Genevey et al.
patent: 4595344 (1986-06-01), Briley
patent: 4681613 (1987-07-01), Porter
Bach K.
Blackmon Robert N.
Freeh William L.
Westinghouse Electric Corp.
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