GB2195900B - Pilot operated valves - Google Patents

Pilot operated valves

Info

Publication number
GB2195900B
GB2195900B GB8720095A GB8720095A GB2195900B GB 2195900 B GB2195900 B GB 2195900B GB 8720095 A GB8720095 A GB 8720095A GB 8720095 A GB8720095 A GB 8720095A GB 2195900 B GB2195900 B GB 2195900B
Authority
GB
United Kingdom
Prior art keywords
pilot operated
operated valves
valves
pilot
operated
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 - Lifetime
Application number
GB8720095A
Other versions
GB8720095D0 (en
GB2195900A (en
Inventor
Peter Joseph Jackson
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB868621516A external-priority patent/GB8621516D0/en
Application filed by Individual filed Critical Individual
Priority to GB8720095A priority Critical patent/GB2195900B/en
Publication of GB8720095D0 publication Critical patent/GB8720095D0/en
Publication of GB2195900A publication Critical patent/GB2195900A/en
Application granted granted Critical
Publication of GB2195900B publication Critical patent/GB2195900B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/02—Valves
    • A62B9/022—Breathing demand regulators
    • A62B9/027—Breathing demand regulators pilot operated, i.e. controlled by valve means sensitive to a reduced downstream pressure

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB8720095A 1986-09-06 1987-08-26 Pilot operated valves Expired - Lifetime GB2195900B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8720095A GB2195900B (en) 1986-09-06 1987-08-26 Pilot operated valves

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868621516A GB8621516D0 (en) 1986-09-06 1986-09-06 Pilot operated valves
GB8720095A GB2195900B (en) 1986-09-06 1987-08-26 Pilot operated valves

Publications (3)

Publication Number Publication Date
GB8720095D0 GB8720095D0 (en) 1987-09-30
GB2195900A GB2195900A (en) 1988-04-20
GB2195900B true GB2195900B (en) 1991-07-24

Family

ID=26291264

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8720095A Expired - Lifetime GB2195900B (en) 1986-09-06 1987-08-26 Pilot operated valves

Country Status (1)

Country Link
GB (1) GB2195900B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9301959D0 (en) * 1993-02-01 1993-03-17 Sabre Safety Ltd A valve for use in breathing apparatus
GB2378745B (en) 2001-08-15 2005-07-13 Internat Safety Instr Inc Demand valve for breathing apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1019986A (en) * 1962-12-21 1966-02-09 Robertshaw Controls Co Breathing demand regulator
GB1382404A (en) * 1972-03-27 1975-01-29 Robertshaw Controls Co Demand valve assembly
US3875957A (en) * 1972-09-19 1975-04-08 Robertshaw Controls Co Oxygen-air diluter device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1019986A (en) * 1962-12-21 1966-02-09 Robertshaw Controls Co Breathing demand regulator
GB1382404A (en) * 1972-03-27 1975-01-29 Robertshaw Controls Co Demand valve assembly
US3875957A (en) * 1972-09-19 1975-04-08 Robertshaw Controls Co Oxygen-air diluter device

Also Published As

Publication number Publication date
GB8720095D0 (en) 1987-09-30
GB2195900A (en) 1988-04-20

Similar Documents

Publication Publication Date Title
GB8726948D0 (en) Valve operating
GB8526442D0 (en) Pilot valves
GB8711918D0 (en) Valve assembly
EP0432270A4 (en) Pilot valve
GB2198117B (en) Valve assembly
GB8621516D0 (en) Pilot operated valves
GB8613666D0 (en) Valves
GB8611887D0 (en) Valve member
GB2191565B (en) Valves
GB2193262B (en) Valve assembly
IL84250A (en) Flapper valve
GB8629408D0 (en) Valve assembly
GB8407646D0 (en) Pilot operated valve
GB8705489D0 (en) Control valve
GB8620188D0 (en) Valves
GB8630710D0 (en) Valves
GB8630373D0 (en) Valve assembly
GB2234368B (en) Pilot operated valves
GB2239328B (en) Pilot operated valves
GB2195900B (en) Pilot operated valves
GB2188703B (en) Valves
GB8611980D0 (en) Valves
GB8713381D0 (en) Control valves
GB8723905D0 (en) Valve operating control
GB8611886D0 (en) Valve assembly

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20070825