Reciprocating piston motor operating on pressure medium

Details Reciprocating piston motor operating on pressure medium Reciprocating piston motor operating on pressure medium

1995-02-21

1996-07-30

Denion, Thomas E.

Motors: expansible chamber type

Cyclically operable

Distributor in piston

91229, 91228, 417398, F01L 1512

Patent

active

055401368

ABSTRACT:
The invention relates to a reciprocating piston motor. The motor comprises at least one cylinder which is closed on at least one end, a piston which is slidable in the cylinder and forms a pressure chamber with the closed end of the cylinder, a power transmission element such as a piston rod coupled to the piston and extending outside the cylinder. The reciprocating piston motor likewise comprises a first valve member which is received in the piston and which in its open position mutually connects the cylinder spaces on either side of the piston, a second valve member which is received in the piston and which in its open position connects a pressure medium passage formed in the piston to a cylinder space on one side of the piston, a resilient member urging the piston in the direction of the closed cylinder end, actuating means which are connected to the valve members and embodied such that on contact with a stop in the pressure chamber the first valve member is closed and the second is opened and on contact with a stop on the opposite end of the cylinder vice versa.

REFERENCES:
patent: 806779 (1905-12-01), Coffield
patent: 858226 (1907-06-01), Shevlin
patent: 955501 (1910-04-01), Coffield
patent: 2748751 (1956-06-01), Johnson
patent: 2862478 (1958-12-01), Staats
patent: 3361036 (1968-01-01), Harvey et al.
patent: 3583839 (1971-06-01), Lee, III

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