F - Mech Eng,Light,Heat,Weapons – 16 – N
Patent
F - Mech Eng,Light,Heat,Weapons
16
N
F16N 7/40 (2006.01) F01M 1/02 (2006.01) F01M 1/12 (2006.01) F16N 7/38 (2006.01) F16N 13/20 (2006.01)
Patent
CA 2651522
A lubricating pump (1) having a first stage (5) and a second stage (10); the first stage (5) in turn has an intake (6) connectable hydraulically to a tank (4) of lubricating fluid, and a delivery outlet (7) connectable hydraulically to a lubricated member (3); the first stage (5) compresses the lubricating fluid from the tank (4) to a pressure for supply to the member (3); the second stage (10) in turn has an inlet (11) connectable hydraulically to a casing (9) housing the member (3), and an outlet (13) connectable hydraulically to the tank (4); the second stage (10) feeds the lubricating fluid in the casing (9) back into the tank (4); the second stage (10) is a Roots type, and has a first and a second rotor (31, 32) rotating about respective axes (B, C) to feed the lubricating fluid from the inlet (11) to the outlet (13); and the first and second rotor (31, 32) are operated by the first stage (5).
Colombo Dario
Gasparini Giuseppe
Agusta S.p.a.
Ridout & Maybee Llp
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