Control-pintle for fluid flow devices

Details Control-pintle for fluid flow devices Control-pintle for fluid flow devices

1985-02-25

1986-12-16

Freeh, William L.

Motors: expansible chamber type

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

Radially disposed cylinders

F01B 1306

Patent

active

046287949

ABSTRACT:
A control pintle carries a rotor which rotates around the pintle. The rotor has chambers which can take in and expel fluid. Passages of a reduced cross-sectional area carry the fluid to or from the control pintle and to or from the chambers. The control pintle has control parts and fluid lines, as well as certain recesses. Rotor and control pintle are insofar known from the former art. The invention provides unloading recesses in specific relation to the passages and chambers to make the rotor float around the control pintle concentrically or eccentrically in a desired extent. Supply slots are added to assist the build-up of hydrodynamic pressure fields to act in co-operation with the hydrostatic forces. Details are shown, how such supply means become provided or supply be secured.

REFERENCES:
patent: 2328717 (1943-09-01), Glasner
patent: 3874272 (1975-04-01), Bosch
patent: 3875852 (1975-04-01), Bosch
patent: 3893376 (1975-07-01), Nonnenmacher
patent: 4131056 (1978-12-01), Rockwell

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