Multiple cylinder-capacity pressurized fluid (motor or pump) mec

Details Multiple cylinder-capacity pressurized fluid (motor or pump) mec Multiple cylinder-capacity pressurized fluid (motor or pump) mec

1988-02-12

1990-02-06

Koczo, Michael

Motors: expansible chamber type

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

Radially disposed cylinders

F01B 1306

Patent

active

048980765

ABSTRACT:
The invention relates to a pressurized fluid mechanism comprising a plurality of pistons (14) and a plurality of different cylinder capacities. A particular cylinder capacity is selected by means of two identical slide valves (17, 18) which serve selectively to neutralize either a first overall cylinder capacity (45a) or a second overall cylinder capacity (45c), or both or neither of said first and second cylinder capacities. One application of the invention is to providing an efficient and compact motor which is cheap to produce.

REFERENCES:
patent: 3760691 (1973-09-01), Kress et al.
patent: 3808951 (1974-05-01), Martin
patent: 4398450 (1983-08-01), Louhio
patent: 4404896 (1983-09-01), Allart et al.
patent: 4724742 (1988-02-01), Bigo et al.

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