Radial piston machine having working fluid passing through the c

Details Radial piston machine having working fluid passing through the c Radial piston machine having working fluid passing through the c

1989-12-26

1993-08-24

Smith, Leonard E.

Motors: expansible chamber type

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

Radially disposed cylinders

F01B 108, F01B 1306, F04B 2704, F04B 106

Patent

active

052379078

ABSTRACT:
A piston machine (10) has two pistons (42, 44) which are reciprocatable in two cylinders (20, 22) and which, in the first and second working chambers (50, 52) thereof, can be subjected to a working medium. The pistons are connected to a crankshaft (30) via two connecting rods (38, 40) which are pivotally connected to one and the same crank pin (36). The interior of the crankcase (18) forms a third working chamber (54). The crankshaft (30) is formed as a rotary slide valve which in operation of the piston machine (10) connects the first working chamber (50) to the third working chamber (54) and the second working chamber (52) to a working medium supply or discharge opening (14, 16). The piston machine can be used selectively as an engine (e.g. as an expansion motor operated with compressed gas) or as a working machine (e.g. as a compressor). The opening and closing times can be controlled exactly. For generating the same power, less working medium is required than in the prior art.

REFERENCES:
patent: 470978 (1892-03-01), Bruce
patent: 2366186 (1945-01-01), Freeman
patent: 2683422 (1954-07-01), Richards
patent: 3991728 (1976-11-01), Vittert
patent: 4772184 (1988-09-01), Laing et al.
patent: 4792289 (1988-12-01), Nieratschker

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