Title:
OPERATING METHOD FOR HYDRAULIC MACHINERY
Document Type and Number:
Japanese Patent JPS5377939
Kind Code:
A
Abstract:
PURPOSE: To make it possible to prevent the runner from thermal expansion caused by the rise in temperatur during a long operation, by cooling the runner in such a manner that pressured air is adiabatically expanded at around the runner in case of running idle the runner of hydraulic machinery.
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Inventors:
MORIGUCHI KAZUO
OGIWARA MASASHIGE
OGIWARA MASASHIGE
Application Number:
JP15341876A
Publication Date:
July 10, 1978
Filing Date:
December 22, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F03B15/04; F03B3/10; F03B11/00; F03B15/00; (IPC1-7): F03B3/10; F03B11/00; F03B15/00