Title:
HEAT PUMP HEAT SOURCE DEVICE
Document Type and Number:
Japanese Patent JP2016070565
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a heat pump heat source device preventing occurrence of chattering sound from a defrosting valve by avoiding increase in cost of a valve component and complication of the device.SOLUTION: A back pressure countermeasure part 72, when a temperature Tm1 of a heat medium in a heat medium pipeline 20 in an expander 23 detected by a temperature sensor 35 is higher than a temperature Twin of water supplied from a tank circulation path 41 to the expander 23 detected by a temperature sensor 43 by a predetermined temperature or more, opens a defrosting solenoid valve 26.SELECTED DRAWING: Figure 1
Inventors:
AKAGI NOBUYUKI
Application Number:
JP2014198799A
Publication Date:
May 09, 2016
Filing Date:
September 29, 2014
Export Citation:
Assignee:
RINNAI KK
International Classes:
F24H1/00; F25B39/04; F25B47/02
Domestic Patent References:
| JP2012225580A | 2012-11-15 | |||
| JP2016017731A | 2016-02-01 | |||
| JP2013181682A | 2013-09-12 | |||
| JPH05157393A | 1993-06-22 | |||
| JPH07120116A | 1995-05-12 | |||
| JPH02213651A | 1990-08-24 | |||
| JP2007051838A | 2007-03-01 | |||
| JP2012167860A | 2012-09-06 | |||
| JP2011047607A | 2011-03-10 |
Foreign References:
| US6751967B1 | 2004-06-22 |
Attorney, Agent or Firm:
Creation International Patent Office
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