Internal combustion engine

Details Internal combustion engine Internal combustion engine

1971-06-01

1976-12-14

Lazarus, Ronald H.

Internal-combustion engines

Two-cycle

Rear compression

123 74A, 123 65S, 123 59BS, 123 66, F02B 3312

Patent

active

039969037

ABSTRACT:
In a two-stroke cycle internal combustion engine a noncompression type pump formed by placing a plate-like secondary piston within a primary piston, between the top and the wrist pin. The reciprocating movements of primary and secondary piston in conjunction with the intake port and transfer port, provide a pump with a longer intake time and less power need, relative to prior art.

REFERENCES:
patent: R15031 (1921-01-01), Weger
patent: 792119 (1905-06-01), Clifton
patent: 838926 (1906-12-01), Walsh et al.
patent: 1157932 (1915-10-01), Evers
patent: 1711906 (1929-05-01), Sands
patent: 1717811 (1929-06-01), Rummler
patent: 2445148 (1948-07-01), Minnix
patent: 2447041 (1948-08-01), Sues
patent: 2586621 (1952-02-01), Delaage
patent: 2899946 (1959-08-01), Lyvers

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