Cross-over port construction for hydraulic motors

Details Cross-over port construction for hydraulic motors Cross-over port construction for hydraulic motors

1975-08-06

1977-02-01

Maslousky, Paul E.

Expansible chamber devices

Oscillating working member or cylinder therefor

Oscillatory shaft with radially extending vane

F01C 900

Patent

active

040056422

ABSTRACT:
A rotary hydraulic motor valve operator having a rotor shaft with diametrically opposite vanes operating between diametrically opposite stops forming two pairs of fluid chambers, one chamber of each pair being connected through the top plate of the motor housing with a conduit which alternates as a supply or an exhaust conduit. Annular cross-over grooves at different levels in the top plate around the rotor shaft are connected one to the opposite chambers of each pair.

REFERENCES:
patent: 3181437 (1965-05-01), Rumsey et al.
patent: 3327592 (1967-06-01), Wilkinson
patent: 3392635 (1968-07-01), Sperl et al.

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