Title:
PUMP AND HEAT PUMP SYSTEM
Document Type and Number:
Japanese Patent JP2017096580
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pump and a heat pump system capable of preventing leakage of absorbent from a bearing part of a circulation pump to the outside, in a high-pressure absorption type heat pump circuit.SOLUTION: A shaft 56 of a circulation pump 12 is connected to a motor 55 as a power source of the circulation pump 12; a pump case 51 and a motor case 53 are adjacently arranged to each other; a partition wall 54 configured to partition an internal space of the pump case 51 and an internal space of the motor case 53 is provided with a bearing part 54A penetrating through the shaft 56, and a seal member 57 of the bearing part; the inside of the pump case 51 is filled with absorbent; the inside of the motor case 53 is filled with refrigerant gas; and the internal space of the pump case 51 and the internal space of the motor case 53 are kept to the same pressure.SELECTED DRAWING: Figure 2
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Inventors:
MUKOYAMA HIROSHI
SATO KOJI
SATO KOJI
Application Number:
JP2015230794A
Publication Date:
June 01, 2017
Filing Date:
November 26, 2015
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
F25B29/00; F25B15/00
Domestic Patent References:
| JP2014159926A | 2014-09-04 | |||
| JPS57101271A | 1982-06-23 | |||
| JPH06313648A | 1994-11-08 | |||
| JP2009138636A | 2009-06-25 | |||
| JP2012251529A | 2012-12-20 | |||
| JPS5760071U | 1982-04-09 |
Attorney, Agent or Firm:
Koichi Washida