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Title:
HYDRAULIC PRESSURE TRANSFORMER
Document Type and Number:
WIPO Patent Application WO2002052158
Kind Code:
A3
Abstract:
A hydraulic pressure transformer (10) for the conversion of an input hydraulic power (12) to an output hydraulic power (14), and particularly suitable for use in a work machine (17) having a hydraulic work unit (15) requiring a hydraulic input power (12), has a port block (20) with improved balanced loading which is attached to an end cap (22) in a simplified manner.

Inventors:
ENDSLEY JOHN C
HALE DAVID C
RAAB FRANK J
Application Number:
PCT/US2001/043314
Publication Date:
August 14, 2003
Filing Date:
November 21, 2001
Export Citation:
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Assignee:
CATERPILLAR INC (US)
International Classes:
F15B3/00; F04B1/20; F04B1/30; F04C14/14; (IPC1-7): F04B1/30; F04B1/20; F04C2/344; F04C11/00; F04C15/04
Domestic Patent References:
WO1997031185A11997-08-28
WO1999040318A11999-08-12
Foreign References:
DE2448469A11976-04-22
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