Variable displacement port plate

Details Variable displacement port plate Variable displacement port plate

1988-10-18

1989-10-24

Smith, Leonard E.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Means varies cyclic relation between reciprocating member...

F04B 130

Patent

active

048754030

ABSTRACT:
An improved hydraulic apparatus is disclosed which may function as either a hydraulic pump or hydraulic motor. A port plate (18) is provided with a high pressure arcuate prot (82) which permits the full range of rotation of the port plate to be used in linearly adjusting the rate of fluid flow into the cylinders (22) of the cylinder block (20). The invention provides a maximum range of adjustability of the volume of fluid flow passing through the cylinders.

REFERENCES:
patent: 784177 (1905-03-01), Probst
patent: 2546583 (1951-03-01), Born
patent: 2696810 (1961-01-01), Dudley
patent: 2979037 (1961-04-01), Budzich
patent: 3011453 (1961-12-01), Budzich
patent: 3206218 (1965-09-01), Potter et al.
patent: 3362342 (1968-01-01), Flint et al.
patent: 4644850 (1987-02-01), Kanamaru et al.

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