IT1211823B - Pressostato con diaframma a rotolamento - Google Patents

Pressostato con diaframma a rotolamento

Info

Publication number: IT1211823B
Authority: IT; Italy
Prior art keywords: pressure switch; rolling diaphragm; diaphragm; rolling; switch
Prior art date: 1986-10-02

Application number

IT8748446A

Other languages

English (en)

Other versions

IT8748446A0 (it

Inventor

Larry G Miller

Harold E Whiting

Willcox Dale

Original Assignee

Furnas Electric Co

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.)

1986-10-02

Filing date

1987-10-02

Publication date

1989-11-03

1987-10-02 Application filed by Furnas Electric Co filed Critical Furnas Electric Co

1987-10-02 Publication of IT8748446A0 publication Critical patent/IT8748446A0/it

1989-11-03 Application granted granted Critical

1989-11-03 Publication of IT1211823B publication Critical patent/IT1211823B/it

Classifications

- 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
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/0206—Combined operation of electric switch and of fluid control device
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs

Landscapes

Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Switches Operated By Changes In Physical Conditions (AREA)

IT8748446A 1986-10-02 1987-10-02 Pressostato con diaframma a rotolamento IT1211823B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/914,622 US4709126A (en)	1986-10-02	1986-10-02	Pressure switch with rolling diaphragm

Publications (2)

Publication Number	Publication Date
IT8748446A0 IT8748446A0 (it)	1987-10-02
IT1211823B true IT1211823B (it)	1989-11-03

Family

ID=25434579

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT8748446A IT1211823B (it)	1986-10-02	1987-10-02	Pressostato con diaframma a rotolamento

Country Status (3)

Country	Link
US (1)	US4709126A (it)
CA (1)	CA1310044C (it)
IT (1)	IT1211823B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1989010862A1 (en) *	1988-05-09	1989-11-16	Alfred Teves Gmbh	Braking pressure regulating system
US5047601A (en) *	1990-01-25	1991-09-10	Square D Company	Pressure responsive switch with cup shaped actuating member
US5120915A (en) *	1991-02-01	1992-06-09	Johnson Service Company	Pressure-actuated pump control switch
DE9405685U1 (de) *	1994-04-06	1994-05-26	Filterwerk Mann & Hummel Gmbh, 71638 Ludwigsburg	Differenzdruckschalter
US5808258A (en) *	1995-12-26	1998-09-15	Amerace Corporation	Encapsulated high voltage vacuum switches
US5667060A (en) *	1995-12-26	1997-09-16	Amerace Corporation	Diaphragm seal for a high voltage switch environment
US5717185A (en) *	1995-12-26	1998-02-10	Amerace Corporation	Operating mechanism for high voltage switch
US5793131A (en) *	1996-08-07	1998-08-11	General Electric Company	Systems and apparatus for controlling energization of electric motor windings, and methods of assembling motors
US5888381A (en) *	1997-05-16	1999-03-30	United States Filter Corporation	Water filter with pressure actuated flow monitor
GB2336212A (en) *	1998-04-06	1999-10-13	Ranco Controls Ltd	Pressure sensor with adjustment means
US8563884B2 (en)	2010-01-21	2013-10-22	Dwyer Instruments, Inc.	Manual reset pressure switch
US8674254B2 (en)	2011-01-31	2014-03-18	Thomas & Betts International, Inc.	Flexible seal for high voltage switch
CA3053044A1 (en)	2019-08-26	2021-02-26	Alpha Technologies Ltd.	Bi-stable transfer switch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3326089A (en) *	1965-06-04	1967-06-20	United Electric Controls Co	Pressure-sensing control
US3648568A (en) *	1970-03-09	1972-03-14	Mosier Ind Inc	Signal valve
US3875358A (en) *	1974-02-19	1975-04-01	Furnas Electric Co	Diaphragm snap pressure switch
SE404412B (sv) *	1975-09-18	1978-10-02	Volvo Ab	Slitagevarnare vid en servomanovrerad lamellkoppling
US4200775A (en) *	1978-06-19	1980-04-29	Furnas Electric Company	Pressure responsive switch with low pressure cutoff
FR2513808A1 (fr) *	1981-09-29	1983-04-01	Thomson Brandt	Interrupteur electrique thermostatique et refrigerateur a degivrage semi-automatique muni d'un tel interrupteur

1986
- 1986-10-02 US US06/914,622 patent/US4709126A/en not_active Expired - Lifetime
1987
- 1987-09-16 CA CA000547060A patent/CA1310044C/en not_active Expired - Lifetime
- 1987-10-02 IT IT8748446A patent/IT1211823B/it active

Also Published As

Publication number	Publication date
US4709126A (en)	1987-11-24
CA1310044C (en)	1992-11-10
IT8748446A0 (it)	1987-10-02

Publication	Publication Date	Title
DE3665630D1 (de)	1989-10-19	Tactile pressure sensor
DE3883699D1 (de)	1993-10-07	Druckgasschalter.
FI91444B (fi)	1994-03-15	Paineanturi
IT1211823B (it)	1989-11-03	Pressostato con diaframma a rotolamento
IT1227329B (it)	1991-04-08	Interruttore elettrico a pressione.
DE68927909D1 (de)	1997-04-30	Druckschalter
IT1201159B (it)	1989-01-27	Interruttore a pressione
DE3671567D1 (de)	1990-06-28	Autopneumatischer druckgasschalter.
FR2568407B1 (fr)	1993-12-10	Pressostat
DE3529799A1 (de)	1986-02-27	Drucksensor
DE3784073D1 (de)	1993-03-18	Druckbeschraenkter differentialdruckschalter.
DK595787D0 (da)	1987-11-13	Hoejtryksrenser
DE58901215D1 (de)	1992-05-27	Sf6-eindruckschalter.
DE3582109D1 (de)	1991-04-18	Druckempfindlicher schalter.
IT8553506V0 (it)	1985-06-12	Orecchino a pressione
DK595687D0 (da)	1987-11-13	Hoejtryksrenser
GB2172112B (en)	1988-11-09	Pressure responsive switch
SE8702504D0 (sv)	1987-06-16	A pressure switch
NO169459C (no)	1992-06-24	Trykkgiver
RO94560A2 (ro)	1988-06-30	Presostat
IT1179458B (it)	1987-09-16	Pressostato a doppia regolazione
GB2184552B (en)	1989-10-11	Pressure responsive switches
ES296829Y (es)	1988-09-16	Un sensor de presion
IT8509390A0 (it)	1985-04-19	Pressostato perfezionato
KR900013324U (ko)	1990-07-05	압력스위치

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19971030