Title:
HYDRAULIC HYBRID VEHICLE
Document Type and Number:
WIPO Patent Application WO2001051870
Kind Code:
B1
Abstract:
An automotive powertrain includes a hydraulic drive circuit including at least one of: a hydraulic pump/motor (12) having a shaft fixed to for rotation with the crankshaft of an internal combustion engine (11); and a pair of pump/motors (21, 22) coaxially arranged to share a common shaft on which is mounted a gear of a gear set for transmitting output to the vehicle drive wheels (20). Hydraulic control logics are provided for control of the various pump/motors of the hybrid powertrain.
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Inventors:
GRAY CHARLES L JR
Application Number:
PCT/US2001/000425
Publication Date:
November 22, 2001
Filing Date:
January 08, 2001
Export Citation:
Assignee:
US ENVIRONMENT (US)
International Classes:
B60K17/10; B60K6/12; B60L50/30; F04B1/24; F04B1/32; F04B23/06; F16H61/4096; F16H61/44; F16H61/448; B60K26/02; (IPC1-7): F28D7/02
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