JPS58140420U

JPS58140420U - flow sensor

Info

Publication number: JPS58140420U
Application number: JP3767982U
Authority: JP
Inventors: 須藤　幸雄; 塩山　修一郎; 友良関口
Original assignee: 厚木自動車部品株式会社
Priority date: 1982-03-17
Filing date: 1982-03-17
Publication date: 1983-09-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図および第２図は従来のフローセンサの作１　　動
部後に亘る状態を示す断面図、第３図、第４図、：　　
第５図および第６図は本考案のフローセンサの各□　　
実施例を示す断面図である。！　　　１・・・冷媒通路、４・・・スプリング、５・
・・チェック１　　バルブ、６・・・バイパス通路、７
・・・マグネット、８１　・・・リードスイッチ、１１
．ＩＩＡ、ＩＩＢ。、　　１１Ｃ・・・逃し通路、１２・・・絞り弁。Figures 1 and 2 are cross-sectional views showing the state after the operating part of a conventional flow sensor; Figures 3 and 4;
Figures 5 and 6 show each of the flow sensors of the present invention.
It is a sectional view showing an example. ! 1... Refrigerant passage, 4... Spring, 5...
...Check 1 Valve, 6...Bypass passage, 7
... Magnet, 81 ... Reed switch, 11
．． IIA, IIB. , 11C... Relief passage, 12... Throttle valve.

Claims

[Scope of utility model registration request]

(1) A check valve having a magnet and a spring that biases the check valve in a direction against the flow of the refrigerant are provided in the refrigerant circulation path in the refrigeration cycle,
A bypass passage leading to a port opened and closed by the check valve is provided in parallel with the refrigerant passage, and the check valve is opened or closed at a set position moved in a direction opposite to the flow of the refrigerant, inside or outside the passage. A flow sensor characterized in that a reed switch that closes is provided, and a refrigerant relief passage is provided in the check valve or the refrigerant passage to move the check valve in a direction against the flow of the refrigerant when the set minimum flow rate of the refrigerant is lower than the set minimum flow rate of the refrigerant. .

(2) The flow sensor according to claim 1, wherein a throttle valve is provided in a part of the refrigerant relief passage.