EP0883147A3 - Interrupteur différentiel hydraulique ou pneumatique - Google Patents

Interrupteur différentiel hydraulique ou pneumatique Download PDF

Info

Publication number: EP0883147A3
Authority: EP; European Patent Office
Prior art keywords: pressure differential; hydraulic; pneumatic pressure; electric switch; electric contact
Prior art date: 1997-06-03
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.): Granted

Application number

EP98110071A

Other languages

German (de)

English (en)

Other versions

EP0883147A2 (fr

EP0883147B1 (fr

Inventor

Giorgio Viezzoli

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.)

VIMATIC S.R.L.

Original Assignee

Vimatic Srl

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.)

1997-06-03

Filing date

1998-06-03

Publication date

1999-08-11

1998-06-03 Application filed by Vimatic Srl filed Critical Vimatic Srl

1998-12-09 Publication of EP0883147A2 publication Critical patent/EP0883147A2/fr

1999-08-11 Publication of EP0883147A3 publication Critical patent/EP0883147A3/fr

2005-09-14 Application granted granted Critical

2005-09-14 Publication of EP0883147B1 publication Critical patent/EP0883147B1/fr

2018-06-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

125000006850 spacer group Chemical group 0.000 abstract 1

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder

Landscapes

Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Switches Operated By Changes In Physical Conditions (AREA)
Braking Systems And Boosters (AREA)
Fluid-Pressure Circuits (AREA)

EP19980110071 1997-06-03 1998-06-03 Interrupteur différentiel hydraulique ou pneumatique Expired - Lifetime EP0883147B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT97PV000007 IT243620Y1 (it)	1997-06-03	1997-06-03	Interruttore elettrico a differenziale di pressione idraulica opneumatica
ITPV970007U		1997-06-03

Publications (3)

Publication Number	Publication Date
EP0883147A2 EP0883147A2 (fr)	1998-12-09
EP0883147A3 true EP0883147A3 (fr)	1999-08-11
EP0883147B1 EP0883147B1 (fr)	2005-09-14

Family

ID=11397383

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19980110071 Expired - Lifetime EP0883147B1 (fr)	1997-06-03	1998-06-03	Interrupteur différentiel hydraulique ou pneumatique

Country Status (4)

Country	Link
EP (1)	EP0883147B1 (fr)
DE (1)	DE69831529T2 (fr)
ES (1)	ES2251050T3 (fr)
IT (1)	IT243620Y1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1293586C (zh) *	2003-09-28	2007-01-03	沈鍀桓	微调式流体控制开关
ITMI20111057A1 (it) *	2011-06-13	2012-12-14	Renzo Oldani	Apparecchiatura per il sezionamento di un flusso di energia elettrica in uno o piu' conduttori.
CN115692050B (zh) *	2022-09-07	2023-08-15	中国科学院电工研究所	一种脉冲大电流开关装置的开关机构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2335073A (en) *	1940-12-27	1943-11-23	United Aircraft Corp	Pressure actuated switch
US2772409A (en) *	1952-01-22	1956-11-27	Smiths Jacking Systems Ltd	Pressure responsive flow indicator
US3154049A (en) *	1962-02-19	1964-10-27	Screen Products Inc	Magnetic pressure indicator
US4480160A (en) *	1982-08-31	1984-10-30	Donaldson Company, Inc.	Differential pressure switch
US4614849A (en) *	1985-04-18	1986-09-30	Lectron Products, Inc.	Electrical pressure switch
US5187337A (en) *	1990-10-23	1993-02-16	Atsugi Unisia Corporation	Fluid pressure actuated switch for fluid pump

1997
- 1997-06-03 IT IT97PV000007 patent/IT243620Y1/it active
1998
- 1998-06-03 EP EP19980110071 patent/EP0883147B1/fr not_active Expired - Lifetime
- 1998-06-03 ES ES98110071T patent/ES2251050T3/es not_active Expired - Lifetime
- 1998-06-03 DE DE69831529T patent/DE69831529T2/de not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2335073A (en) *	1940-12-27	1943-11-23	United Aircraft Corp	Pressure actuated switch
US2772409A (en) *	1952-01-22	1956-11-27	Smiths Jacking Systems Ltd	Pressure responsive flow indicator
US3154049A (en) *	1962-02-19	1964-10-27	Screen Products Inc	Magnetic pressure indicator
US4480160A (en) *	1982-08-31	1984-10-30	Donaldson Company, Inc.	Differential pressure switch
US4614849A (en) *	1985-04-18	1986-09-30	Lectron Products, Inc.	Electrical pressure switch
US5187337A (en) *	1990-10-23	1993-02-16	Atsugi Unisia Corporation	Fluid pressure actuated switch for fluid pump

Also Published As

Publication number	Publication date
ITPV970007U1 (it)	1998-12-03
DE69831529T2 (de)	2006-07-13
ITPV970007V0 (it)	1997-06-03
EP0883147A2 (fr)	1998-12-09
DE69831529D1 (de)	2005-10-20
ES2251050T3 (es)	2006-04-16
EP0883147B1 (fr)	2005-09-14
IT243620Y1 (it)	2002-03-05

Legal Events

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1999-08-18	RIC1	Information provided on ipc code assigned before grant	Free format text: 6H 01H 35/38 A, 6H 01H 3/24 B, 6H 01H 11/00 B
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