NL184344C - EXPLOSION-SAFE ELECTRICAL PRESSURE SWITCH. - Google Patents

EXPLOSION-SAFE ELECTRICAL PRESSURE SWITCH.

Info

Publication number
NL184344C
NL184344C NL7416466A NL7416466A NL184344C NL 184344 C NL184344 C NL 184344C NL 7416466 A NL7416466 A NL 7416466A NL 7416466 A NL7416466 A NL 7416466A NL 184344 C NL184344 C NL 184344C
Authority
NL
Netherlands
Prior art keywords
explosion
pressure switch
electrical pressure
safe electrical
safe
Prior art date
Application number
NL7416466A
Other languages
Dutch (nl)
Other versions
NL7416466A (en
Original Assignee
Beta Bv
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 Beta Bv filed Critical Beta Bv
Priority to NL7416466A priority Critical patent/NL184344C/en
Priority to DE19757505335 priority patent/DE7505335U/en
Priority to GB5033675A priority patent/GB1518201A/en
Priority to FR7538486A priority patent/FR2295551A1/en
Publication of NL7416466A publication Critical patent/NL7416466A/en
Application granted granted Critical
Publication of NL184344C publication Critical patent/NL184344C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
NL7416466A 1974-12-17 1974-12-17 EXPLOSION-SAFE ELECTRICAL PRESSURE SWITCH. NL184344C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL7416466A NL184344C (en) 1974-12-17 1974-12-17 EXPLOSION-SAFE ELECTRICAL PRESSURE SWITCH.
DE19757505335 DE7505335U (en) 1974-12-17 1975-02-21 Explosion-proof electrical pressure switch device
GB5033675A GB1518201A (en) 1974-12-17 1975-12-09 Explosion-proof electric pressure switching device
FR7538486A FR2295551A1 (en) 1974-12-17 1975-12-16 ELECTRICAL EXPLOSION-PROOF PRESSURE CONTROLLED SWITCHING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7416466A NL184344C (en) 1974-12-17 1974-12-17 EXPLOSION-SAFE ELECTRICAL PRESSURE SWITCH.

Publications (2)

Publication Number Publication Date
NL7416466A NL7416466A (en) 1976-06-21
NL184344C true NL184344C (en) 1989-06-16

Family

ID=19822668

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7416466A NL184344C (en) 1974-12-17 1974-12-17 EXPLOSION-SAFE ELECTRICAL PRESSURE SWITCH.

Country Status (4)

Country Link
DE (1) DE7505335U (en)
FR (1) FR2295551A1 (en)
GB (1) GB1518201A (en)
NL (1) NL184344C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640838A1 (en) * 1986-11-29 1988-06-09 Wabco Westinghouse Steuerung ELECTRICALLY CONTROLLABLE VALVE DEVICE

Also Published As

Publication number Publication date
DE7505335U (en) 1975-07-17
FR2295551B3 (en) 1978-12-01
NL7416466A (en) 1976-06-21
FR2295551A1 (en) 1976-07-16
GB1518201A (en) 1978-07-19

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Lapsed because of reaching the maximum lifetime of a patent