F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
138/94
F15B 1/26 (2006.01) B60T 8/40 (2006.01) F15B 1/24 (2006.01)
Patent
CA 1278239
COMBINATION ACCUMULATOR AND VARIABLE VOLUME SUMP ABSTRACT OF THE DISCLOSURE The combination accumulator and variable volume sump (50) comprises a housing (52) having therein a stepped bore (56). A pair of U-shaped pistons (60, 80) are disposed within the stepped bore (56), the first piston comprising an accumulator piston (60) and defining with the housing (52) and stepped bore (56) a first cham- ber (70) containing therein pressurized medium. The second piston (80) defines with the housing (52) and stepped bore (56) a second chamber (90) containing there- in pressurized fluid. Open ends of the U-shaped pistons (60, 80) are received one within another, and a spring (95) is disposed between interior openings (62, 82) of the pistons (60, 80) to bias them apart. The housing (52) has a pair of openings (54, 59) for communicating pressurized fluid, one opening (54) communicating with the second chamber (90) and the other opening (59) com- municating with the stepped bore (56) in order to com- municate pressurized fluid to the first piston (60). Displacement of the first piston (60) along the stepped bore (56) results in a corresponding increased displace- ment of the second piston (80) relative to the housing (52).
560169
Bach Lloyd G.
Brown George E.
Allied-Signal Inc.
Bach Lloyd G.
Brown George E.
Macrae & Co.
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