Title:
CONTROL CIRCUIT FOR HEAT PUMP TYPE AIR CONDITIONER
Document Type and Number:
Japanese Patent JPS5242638
Kind Code:
A
Abstract:
PURPOSE: To provide a heat pump, in which, upon switching a four-way valve by way of switching signal, the four-way valve is actuated after the pressure difference between a high pressure side and a low pressure side is made small, so that switching of the four-way valve can be effected by a motor having a low torque.
Inventors:
KISHIMOTO TETSUO
Application Number:
JP11905675A
Publication Date:
April 02, 1977
Filing Date:
October 01, 1975
Export Citation:
Assignee:
SANYO ELECTRIC CO
TOKYO SANYO ELECTRIC CO
TOKYO SANYO ELECTRIC CO
International Classes:
F24F11/02; F24F11/00; F25B47/02; (IPC1-7): F24F11/00
Foreign References:
| US3190079A | 1965-06-22 |
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