JPS5757977A - Solenoid valve - Google Patents

Solenoid valve

Info

Publication number
JPS5757977A
JPS5757977A JP13164680A JP13164680A JPS5757977A JP S5757977 A JPS5757977 A JP S5757977A JP 13164680 A JP13164680 A JP 13164680A JP 13164680 A JP13164680 A JP 13164680A JP S5757977 A JPS5757977 A JP S5757977A
Authority
JP
Japan
Prior art keywords
plunger
solenoid
caused
ampere
attracted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13164680A
Other languages
Japanese (ja)
Inventor
Toshikatsu Ito
Kenichi Naganami
Kiyomi Komatsuzaki
Kiyoshi Horibe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13164680A priority Critical patent/JPS5757977A/en
Publication of JPS5757977A publication Critical patent/JPS5757977A/en
Pending legal-status Critical Current

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  • Magnetically Actuated Valves (AREA)

Abstract

PURPOSE: To reduce the ampere-turn of a solenoid, by powerfully attract a plunger by the attractive force caused between an attraction plate and an auxiliary yoke and that caused between the plunger and a pole core.
CONSTITUTION: When electricity is not applied to lead wires 15', a plunger 17 is moved leftward by a return spring 18 to shut off the opening of a negative pressure source passage 21'. When electricity is applied to the lead wires 15', the plunger 17 is attracted by an auxiliary yoke 19 and a pole core 14 so that the plunger is moved rightward and a valve 23 is caused by a spring 24 to shut off the opening of a passage 33 and open the negative pressure source passage 21'. According to this constitution, both attracted areas are made large to obtain a strong attractive force. For that reason, the ampere-turn of a solenoid can be reduced and the solenoid can be made compact and light.
COPYRIGHT: (C)1982,JPO&Japio
JP13164680A 1980-09-24 1980-09-24 Solenoid valve Pending JPS5757977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13164680A JPS5757977A (en) 1980-09-24 1980-09-24 Solenoid valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13164680A JPS5757977A (en) 1980-09-24 1980-09-24 Solenoid valve

Publications (1)

Publication Number Publication Date
JPS5757977A true JPS5757977A (en) 1982-04-07

Family

ID=15062915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13164680A Pending JPS5757977A (en) 1980-09-24 1980-09-24 Solenoid valve

Country Status (1)

Country Link
JP (1) JPS5757977A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131669U (en) * 1983-02-22 1984-09-04 エヌオーケー株式会社 proportional control solenoid valve
JPH0198383U (en) * 1987-12-21 1989-06-30
JPH05118950A (en) * 1991-03-26 1993-05-14 G L Sci Kk Method for detecting leak of enclosed gas or the like
US5849073A (en) * 1991-10-14 1998-12-15 Ishihara Sangyo Kaisha, Ltd. Pigment for sensing gas leakage and process for producing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043522A (en) * 1973-07-20 1975-04-19
JPS50104424A (en) * 1974-01-25 1975-08-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043522A (en) * 1973-07-20 1975-04-19
JPS50104424A (en) * 1974-01-25 1975-08-18

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131669U (en) * 1983-02-22 1984-09-04 エヌオーケー株式会社 proportional control solenoid valve
JPH0218862Y2 (en) * 1983-02-22 1990-05-25
JPH0198383U (en) * 1987-12-21 1989-06-30
JPH05118950A (en) * 1991-03-26 1993-05-14 G L Sci Kk Method for detecting leak of enclosed gas or the like
US5849073A (en) * 1991-10-14 1998-12-15 Ishihara Sangyo Kaisha, Ltd. Pigment for sensing gas leakage and process for producing the same

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