Hydrostatic machine with leakage oil discharge

Details Hydrostatic machine with leakage oil discharge Hydrostatic machine with leakage oil discharge

1995-01-25

1996-08-13

Freay, Charles

Pumps

Diverse pumps

Including rotary nonexpansible chamber type

417269, F04B 2304

Patent

active

055450130

ABSTRACT:
The invention relates to a hydrostatic machine, in particular axial piston machine, having a machine housing the internal housing chamber of which accommodates a drive mechanism rotatably mounted by means of at least one bearing and has a leakage oil chamber opening to the outside via at least one leakage oil connection. To avoid splash losses of the hydrostatic machine, in accordance with the invention a pump device (29; 50; 60; 70) is arranged in the internal housing chamber in driving connection with the drive mechanism (3, 4, 7), which device is provided to pump leakage oil out of the leakage oil chamber (28) through the leakage oil connection (8, 37; 72) to the outside.

REFERENCES:
patent: 2457101 (1948-12-01), Horton
patent: 2570698 (1951-10-01), Manseau
patent: 4350011 (1982-09-01), Rogner et al.

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