Valve control of internal combustion engines by means of a cam-d

Details Valve control of internal combustion engines by means of a cam-d Valve control of internal combustion engines by means of a cam-d

1988-08-26

1990-02-06

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

60584, 417383, 123 9024, F01L 902, F04B 106

Patent

active

048981290

ABSTRACT:
A rotary piston pump assembly includes a rotary piston pump having a pump housing. First and second outlets lead fluid out of the pump housing. The fluid is returned into the pump housing through the first outlets and the first outlets are closed during a portion of the rotation of the pump.

REFERENCES:
patent: 2306131 (1942-12-01), Lossau
patent: 3682565 (1972-08-01), Yarger
patent: 4258672 (1981-03-01), Hietikko
patent: 4473048 (1984-09-01), LeBlanc et al.
patent: 4531491 (1985-07-01), Iiyama et al.
patent: 4538580 (1985-09-01), Straubel et al.
patent: 4644924 (1987-02-01), Djordjevic
Patent Abstracts of Japan, vol. 10, No. 163, (M-487) [2219], Jun. 11, 1986; and Japan 61 16 215 (Fujio Inoue) Jan. 24, 1986.

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