Title:
HYDRAULIC GEAR PUMP OR MOTOR
Document Type and Number:
Japanese Patent JP2004169679
Kind Code:
A
Abstract:
To realize silence in addition to features such as low price, small size, and light weight, in a hydraulic gear pump and a motor.
A distance between a high-pressure side trapping escape groove and low-pressure side trapping escape groove is slightly extended, and further positions of both escape grooves are moved to the low pressure side.
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Inventors:
KITA YASUO
Application Number:
JP2002378385A
Publication Date:
June 17, 2004
Filing Date:
November 20, 2002
Export Citation:
Assignee:
KITA YASUO
International Classes:
F04C2/18; F03C2/08; F04C14/00; F04C15/00; (IPC1-7): F04C2/18; F03C2/08; F04C15/00; F04C15/04
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