DE3240231C1 - Pressostat - Google Patents

Pressostat

Info

Publication number
DE3240231C1
DE3240231C1 DE3240231A DE3240231A DE3240231C1 DE 3240231 C1 DE3240231 C1 DE 3240231C1 DE 3240231 A DE3240231 A DE 3240231A DE 3240231 A DE3240231 A DE 3240231A DE 3240231 C1 DE3240231 C1 DE 3240231C1
Authority
DE
Germany
Prior art keywords
pressure
spring
working
protective
pressostat
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.)
Expired
Application number
DE3240231A
Other languages
German (de)
English (en)
Inventor
Hans 6836 Oftersheim Bösing
Mario 7515 Linkenheim-Hochstetten Gemma
Guglielmo Rossi
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.)
Ranco Inc of Delaware
Original Assignee
Ranco Inc 43201 Columbus Ohio
Ranco Inc
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 Ranco Inc 43201 Columbus Ohio, Ranco Inc filed Critical Ranco Inc 43201 Columbus Ohio
Priority to DE3240231A priority Critical patent/DE3240231C1/de
Priority to IT8323306U priority patent/IT8323306V0/it
Priority to US06/543,925 priority patent/US4821626A/en
Priority to FR8317190A priority patent/FR2535519A3/fr
Priority to JP1983168337U priority patent/JPS5988844U/ja
Priority to GB08329013A priority patent/GB2130437B/en
Application granted granted Critical
Publication of DE3240231C1 publication Critical patent/DE3240231C1/de
Expired legal-status Critical Current

Links

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
    • H01H35/26—Details
    • H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
    • H01H35/2614—Means for adjustment of "ON" or "OFF" operating pressure by varying the bias on the pressure sensitive element
    • 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
    • H01H35/26—Details
    • H01H35/2671—Means to detect leaks in the pressure sensitive element

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Diaphragms And Bellows (AREA)
DE3240231A 1982-10-29 1982-10-29 Pressostat Expired DE3240231C1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE3240231A DE3240231C1 (de) 1982-10-29 1982-10-29 Pressostat
IT8323306U IT8323306V0 (it) 1982-10-29 1983-10-20 Struttura di pressostato.
US06/543,925 US4821626A (en) 1982-10-29 1983-10-20 Pressostat for pressure sensitive activation
FR8317190A FR2535519A3 (fr) 1982-10-29 1983-10-27 Pressostat
JP1983168337U JPS5988844U (ja) 1982-10-29 1983-10-29 プレソスタツト
GB08329013A GB2130437B (en) 1982-10-29 1983-10-31 Pressostat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3240231A DE3240231C1 (de) 1982-10-29 1982-10-29 Pressostat

Publications (1)

Publication Number Publication Date
DE3240231C1 true DE3240231C1 (de) 1984-03-01

Family

ID=6176977

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3240231A Expired DE3240231C1 (de) 1982-10-29 1982-10-29 Pressostat

Country Status (6)

Country Link
US (1) US4821626A (enExample)
JP (1) JPS5988844U (enExample)
DE (1) DE3240231C1 (enExample)
FR (1) FR2535519A3 (enExample)
GB (1) GB2130437B (enExample)
IT (1) IT8323306V0 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019310A1 (en) * 1990-06-07 1991-12-12 Johnson Service Company Differential pressure transducer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612221A (ja) * 1984-06-14 1986-01-08 本田技研工業株式会社 圧力スイツチ
GB9901327D0 (en) * 1999-01-21 1999-03-10 Ranco Controls Ltd Pressure switch device
CN102543570B (zh) * 2012-01-18 2014-07-30 重庆生普石油设备制造有限公司 一种用于高温高压环境的深井压力开关
JP6325528B2 (ja) 2012-05-10 2018-05-16 コーニング インコーポレイテッド ガラスエッチング媒体及び方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2125809B2 (de) * 1971-05-25 1973-09-06 Danfoss A/S, Nordborg (Dänemark) Pressostat

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US729926A (en) * 1901-11-21 1903-06-02 Weston M Fulton Collapsible vessel for atmospheric motors.
US2659310A (en) * 1950-09-02 1953-11-17 Ryba Anton Electromagnetic pumping device for pumping fluids
US2983257A (en) * 1957-12-30 1961-05-09 Arthur B Euga Fluid actuated brake cylinder
US3442180A (en) * 1966-06-28 1969-05-06 United Aircraft Corp Fail safe sensing device
DE2512137A1 (de) * 1975-03-20 1976-10-14 Daimler Benz Ag Pneumatische verstellvorrichtung
JPS5337282A (en) * 1976-09-17 1978-04-06 Matsushita Electric Ind Co Ltd Hydraulic sensing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2125809B2 (de) * 1971-05-25 1973-09-06 Danfoss A/S, Nordborg (Dänemark) Pressostat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019310A1 (en) * 1990-06-07 1991-12-12 Johnson Service Company Differential pressure transducer

Also Published As

Publication number Publication date
FR2535519A3 (fr) 1984-05-04
JPH0243066Y2 (enExample) 1990-11-16
GB8329013D0 (en) 1983-11-30
IT8323306V0 (it) 1983-10-20
GB2130437A (en) 1984-05-31
US4821626A (en) 1989-04-18
JPS5988844U (ja) 1984-06-15
FR2535519B3 (enExample) 1984-10-12
GB2130437B (en) 1986-06-25

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: RANCO INC. OF DELAWARE, DUBLIN, OHIO, US

8328 Change in the person/name/address of the agent

Free format text: EITLE, W., DIPL.-ING. HOFFMANN, K., DIPL.-ING. DR.RER.NAT. LEHN, W., DIPL.-ING. FUECHSLE, K., DIPL.-ING. HANSEN, B., DIPL.-CHEM. DR.RER.NAT. BRAUNS, H., DIPL.-CHEM. DR.RER.NAT. GOERG, K., DIPL.-ING. KOHLMANN, K., DIPL.-ING. KOLB, H., DIPL.-CHEM. DR.RER.NAT. RITTER UND EDLER VON FISCHERN, B., DIPL.-ING., PAT.-ANWAELTE NETTE, A., RECHTSANW., 8000 MUENCHEN