JPS5578877A - Pressure controller - Google Patents

Pressure controller

Info

Publication number
JPS5578877A
JPS5578877A JP15350978A JP15350978A JPS5578877A JP S5578877 A JPS5578877 A JP S5578877A JP 15350978 A JP15350978 A JP 15350978A JP 15350978 A JP15350978 A JP 15350978A JP S5578877 A JPS5578877 A JP S5578877A
Authority
JP
Japan
Prior art keywords
pressure
force
area
electromagnetic force
fluid
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
JP15350978A
Other languages
Japanese (ja)
Inventor
Takashi Tanahashi
Shigeru Shirai
Masaji Yamauchi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15350978A priority Critical patent/JPS5578877A/en
Publication of JPS5578877A publication Critical patent/JPS5578877A/en
Pending legal-status Critical Current

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  • Fluid-Driven Valves (AREA)

Abstract

PURPOSE: To reduce the size of a pressure controller, by controlling, steplessly and continuously, the pressure of fluid with a large flow rate by using weak electromagnetic force.
CONSTITUTION: In terms of the balance of the force of a pilot diaphragm 25, F=P2.Sd+P3.Sv, where F is the force of electromagnetic force added with empty weights of plunger 28 and push rod 29; Sd is the effective pressure receiving area; Sv is the area of pilot valve seat; P2 is the pressure in the secondary pressure chamber B and P3 is the pressure in the tertiary pressure chamber C. As for the balance of the force of main diaphragm 15, P3.Sd+P2.Sv=P2.Sd+P1.Sv+fs where fs is the force of a spring 20, and accordingly P3=P2+fs/Sd and then F=P2.Sd. In other words, the electromagnetic force required for controlling pressure is determined by the area of pilot diaphragm 25 and the secondary pressure of fluid and irrelevant to the area of main diaphragm 15. This means that weak electromagnetic force can control the fluid pressure and the pressure controller itself can be compactized.
COPYRIGHT: (C)1980,JPO&Japio
JP15350978A 1978-12-11 1978-12-11 Pressure controller Pending JPS5578877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15350978A JPS5578877A (en) 1978-12-11 1978-12-11 Pressure controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15350978A JPS5578877A (en) 1978-12-11 1978-12-11 Pressure controller

Publications (1)

Publication Number Publication Date
JPS5578877A true JPS5578877A (en) 1980-06-13

Family

ID=15564091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15350978A Pending JPS5578877A (en) 1978-12-11 1978-12-11 Pressure controller

Country Status (1)

Country Link
JP (1) JPS5578877A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535805A (en) * 1983-04-21 1985-08-20 Emerson Electric Co. Pilot operated valve with pressure relief
JPH01131385A (en) * 1987-11-12 1989-05-24 Yamada Mitsue Automatic opening/closing control device
US5020771A (en) * 1989-01-26 1991-06-04 Ranco Japan Ltd. Proportional control valve
JP2010262552A (en) * 2009-05-11 2010-11-18 Rinnai Corp Servo type pressure controller
JP2017082950A (en) * 2015-10-29 2017-05-18 株式会社デンソー Flow channel structure
DK201600208A1 (en) * 2016-04-07 2017-10-30 Danfoss As Actuator with dynamically changing conduit opening

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535805A (en) * 1983-04-21 1985-08-20 Emerson Electric Co. Pilot operated valve with pressure relief
JPH01131385A (en) * 1987-11-12 1989-05-24 Yamada Mitsue Automatic opening/closing control device
US5020771A (en) * 1989-01-26 1991-06-04 Ranco Japan Ltd. Proportional control valve
JP2010262552A (en) * 2009-05-11 2010-11-18 Rinnai Corp Servo type pressure controller
JP4654303B2 (en) * 2009-05-11 2011-03-16 リンナイ株式会社 Servo pressure controller
JP2017082950A (en) * 2015-10-29 2017-05-18 株式会社デンソー Flow channel structure
DK201600208A1 (en) * 2016-04-07 2017-10-30 Danfoss As Actuator with dynamically changing conduit opening
DK179105B1 (en) * 2016-04-07 2017-11-06 Danfoss As Actuator with dynamically changing conduit opening

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