Gear pump or motor with axially movable bearing blocks

Details Gear pump or motor with axially movable bearing blocks Gear pump or motor with axially movable bearing blocks

1974-08-19

1976-02-10

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

418135, F01C 1908, F03C 300, F04C 1500

Patent

active

039376044

ABSTRACT:
A rotary hydraulic pump or motor has a pair of ports and a pair of meshed toothed gear elements each of which is journalled in a pair of bearing blocks. One block in each pair is fixed within a housing and the other block in each pair is slidable in the housing so that the axial faces of the gear teeth can be engaged by the axial end faces of associated blocks. The fluid pressure at the high pressure port is applied to the end faces of the sliding blocks remote from the gear elements, so that the sliding blocks are urged towards the fixed blocks.

REFERENCES:
patent: 2691945 (1954-10-01), Wichorek
patent: 3104616 (1963-09-01), Peet
patent: 3294028 (1966-12-01), Dahl
patent: 3539282 (1970-11-01), Forschner
patent: 3582242 (1971-06-01), Hansen

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