Title:
HEATING SYSTEM
Document Type and Number:
Japanese Patent JP2019027645
Kind Code:
A
Abstract:
To provide a heating system preventing clogging of a filter which is for preventing clogging of a micro flat tube heat exchanger.SOLUTION: A heating system 3 has: a circulation circuit 21, 22 in which the fluid raised in temperature by a heat source machine 18 is circulated in a fixed direction; a four-way valve 16 switchable between a first state in which a first connection port and a third connection part are put into communication with each other and a second connection port and a fourth connection part are put into communication with each other and a second state in which the first connection port and the fourth connection part are put into communication with each other and the second connection port and the third connection part are put into communication with each other, and interposed in the middle of the circulation circuit such that the first connection port is set to be an inlet side and the second connection port is set to be an outlet side; a micro flat tube heat exchanger 10 having a fluid inlet/outlet port 11a connected to the third connection port of the four-way valve and a fluid inlet/outlet port 11b connected to the fourth connection port of the four-way valve; a first filter 12 interposed between the third connection port of the four-way valve and the fluid inlet/outlet port 11a; a second filter 15 interposed between the fourth connection port of the four-way valve and the fluid inlet/outlet port 11b; and a control part 19 controlling switching of the communication state of the four-way valve.SELECTED DRAWING: Figure 1
Inventors:
SAITO TOSHIHISA
TOMINAGA RYUICHI
YAMAOKA KENTARO
SHIGENO MASAHIKO
TOMINAGA RYUICHI
YAMAOKA KENTARO
SHIGENO MASAHIKO
Application Number:
JP2017145923A
Publication Date:
February 21, 2019
Filing Date:
July 27, 2017
Export Citation:
Assignee:
GASTAR CORP
International Classes:
F24D3/08; F24D3/00; F24F7/08
Attorney, Agent or Firm:
Tomio Nagaishi