Charles D Rosen

US Patent:

40216772, May 3, 1977

Filed:

Mar 3, 1975

Appl. No.:

5/554745

Inventors:

Charles Rosen - Teaneck NJ
Victor Wouk - New York NY

Assignee:

Petro-Electric Motors, Ltd. - New York NY

International Classification:

B60K 1300

US Classification:

290 40R

Abstract:

There is disclosed a heat-engine/battery-electric hybrid power system for use in a low-pollution, low-fuel consumption vehicle. The engine shaft is coupled by a fixed mechanical ratio to the shaft of a dynamotor, the field current of the dynamotor being controlled by the accelerator pedal for drawing power from a battery to aid the engine in the turning of the driveshaft or for drawing power from the driveshaft to recharge the battery. A feedback loop is employed for continuously adjusting the throttle so that the manifold vacuum remains constant. In this manner, the ratio of the engine exhaust to the driveshaft speed remains substantially constant. The engine exhaust is directed to a thermal reactor, secondary air for which is derived from an air pump driven by the engine shaft. The ratio of the exhaust gas to the secondary air is thus substantially constant independent of the shaft speed so that the thermal reactor is maximally effective at all vehicle speeds. To control further the proper operation of the thermal reactor, the temperature of the burning gases in the reactor can be maintained constant by a second feedback loop which varies the fuel/air ratio.

US Patent:

42692806, May 26, 1981

Filed:

May 5, 1978

Appl. No.:

5/903104

Inventors:

Charles L. Rosen - Teaneck NJ

International Classification:

B60L 1538
B60K 900

US Classification:

180 54C

Abstract:

The propulsion system includes a battery powered or combustion powered prime mover and a secondary or auxiliary mover. When the prime mover is battery powered, the secondary mover is controlled so as to optimize the use of the electrical energy stored in the batteries, while using the secondary mover, when necessary, to supply auxiliary power when required for vehicle performance. This is done by keeping the prime mover operating, primarily, in the low to moderate current range, where energy loss in the battery is low and controlling the secondary mover to supply as much power as is necessary to keep the battery drain as near as possible to a preselected threshold value. When the prime mover is combustion powered, the secondary mover is similarly controlled to keep the prime mover within the torque range of most efficient operation. The propulsion system is used either to power a hybrid low pollution vehicle or to provide auxiliary power to a battery operated vehicle to extend its range or enable it to pull occasional heavy loads (e. g. a trailer).