Variable displacement internal combustion engine with means for

Details Variable displacement internal combustion engine with means for Variable displacement internal combustion engine with means for

1977-08-11

1978-12-12

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 32EA, 123 32EH, 123 32EL, F02B 300, F02D 1306

Patent

active

041291093

ABSTRACT:
In a variable displacement internal combustion engine, a pair of cylinder groups are alternately switched into deactivation for fuel economy when reduced power output can operate the vehicle adequately at an appropriate timing detected when engine output power is at maximum or minimum so that harmful effect on engine performance is minimized during switching periods.

REFERENCES:
patent: 2875742 (1959-03-01), Dolza
patent: 3756205 (1973-09-01), Frost
patent: 3896779 (1975-07-01), Omori et al.
patent: 4015428 (1977-04-01), Kawai
patent: 4023358 (1977-05-01), Maurer et al.

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