Internal combustion engine constant speed variable volume coupli

Details Internal combustion engine constant speed variable volume coupli Internal combustion engine constant speed variable volume coupli

1993-07-19

1999-04-06

Lazarus, Ira S.

Power plants

System having plural motors or having diverse types of...

Having condition responsive control

60701, 60702, 123DIG8, F01B 2102

Patent

active

058903658

ABSTRACT:
A self-contained, hydraulically operated clutch-type coupling, allowing a minimum of two vehicular type internal combustion engines to be mounted in tandem replacing the standard single block, multi cylinder engine. Flexibility is provided to the driver by a computerized control system to select operation of one or more engines to produce minimum to maximum horsepower at the flywheel, necessary to meet specific road and traffic conditions while maintaining a constant engine (RPM) speed. In one embodiment, a single engine is started to minimize undesirable emissions due to the combination of cold start conditions and wall quenching and fuel conservation purposes. Upon attaining engine operating temperature uniformity, the succeeding engine(s) can be started and operated to provide maximum available horsepower/torque to meet road load conditions. A second embodiment includes primary engine standard throttle linkage providing an input signal to the computer controlling total engine (RPM) speed by means of a stepper motor driving the secondary engine throttle linkage after synchronization of the two or more engines is attained and monitored by crankshaft sensor and tachometer input to the computer.

REFERENCES:
patent: 3852963 (1974-12-01), Hufstader
patent: 4116006 (1978-09-01), Wallis
patent: 4417551 (1983-11-01), Kronog.ang.rd et al.
patent: 4421217 (1983-12-01), Vagras
patent: 4512301 (1985-04-01), Yamakawa
patent: 4632081 (1986-12-01), Giuliani et al.
patent: 4638637 (1987-01-01), Kronog.ang.rd et al.
patent: 4935689 (1990-06-01), Fujikawa et al.

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