GB1297600A - - Google Patents

Info

Publication number
GB1297600A
GB1297600A GB1297600DA GB1297600A GB 1297600 A GB1297600 A GB 1297600A GB 1297600D A GB1297600D A GB 1297600DA GB 1297600 A GB1297600 A GB 1297600A
Authority
GB
United Kingdom
Prior art keywords
valve
pressure
gas
knob
container
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
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 filed Critical
Publication of GB1297600A publication Critical patent/GB1297600A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/02—Divers' equipment
    • B63C11/18—Air supply
    • B63C11/22—Air supply carried by diver
    • B63C11/2209—First-stage regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S137/00—Fluid handling
    • Y10S137/908—Respirator control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87829—Biased valve
    • Y10T137/87837—Spring bias
    • Y10T137/87861—Spring coaxial with valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

1297600 Reserve valves DANFOSS A/S 19 April 1971 [16 April 1970] 26444/71 Heading A5T [Also in Division F2] A reserve switch for diving equipment in the flow path of gas from a pressurised gas container is automatically closed when the pressure of the gas falls below a first predetermined value and is subsequently openable by means of a manually actuable device, the reserve switch including a locking device responsive to the pressure in the container, the locking device permitting opening of the switch by manual actuation only when the pressure in the container falls below a second predetermined value, the second being not less than the first. The reserve switch 9 includes a valve, the closure member 30 of which is constituted by an O-ring which cooperates with a sealing face 31. The actuating member 25 of the valve is controlled by a diaphragm 23 and is provided with a spindle 32, which carries at its free end a rotatory knob 33 and a pin 34. By rotating the knob 33 the pin 34 can be displaced on an inclined cam surface 35 of a cam element 36 to open the valve. The valve is locked in its fully open position when the pin 34 engages in a locking groove 37. An attachment 24 is provided with a fixed stop 41, and the knob 33 with a movable stop 42, Fig. 3, the two stops which comprise the locking device abutting one another when the valve is in the normal open position. Rotation of the knob 33, and therefore manual opening of the valve is only possible when the entry pressure in the chamber 18 has fallen to such an extent that the actuating member and diaphragm cause the spindle 32, and thus the stop 42, to be axially displaced sufficiently to avoid abutment of the stops 41 and 42. Increase of the gas pressure above a predetermined locking pressure automatically returns the stops to their locked position. The actuating member 25 also controls a reducing valve 8. The diaphragm 23, in use, is biassed on one side by the pressure of the gas and on the other side by the pressure of the surrounding water, communicating through an orifice 29, and a spring 27. The unit 1 shown also includes a union 2 for connection with a pressure gas container, an outlet port 4, a cut-off valve 7, a non-return valve 10, and a pressure relief valve 46.
GB1297600D 1970-04-16 1971-04-19 Expired GB1297600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702018147 DE2018147B2 (en) 1970-04-16 1970-04-16 RESERVE VALVE FOR INDEPENDENT DIVING EQUIPMENT

Publications (1)

Publication Number Publication Date
GB1297600A true GB1297600A (en) 1972-11-22

Family

ID=5768187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297600D Expired GB1297600A (en) 1970-04-16 1971-04-19

Country Status (7)

Country Link
US (1) US3731704A (en)
BE (1) BE765665A (en)
DE (1) DE2018147B2 (en)
ES (1) ES194821Y (en)
FR (1) FR2089722A5 (en)
GB (1) GB1297600A (en)
SE (1) SE379322B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864474A (en) * 2016-05-26 2016-08-17 吴孟人 Throttling valve capable of achieving gear adjustment by means of fluid pressure

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3853144A (en) * 1973-03-09 1974-12-10 Univ Southern California Flowmeter
DE2938617C3 (en) * 1979-09-25 1982-02-25 Drägerwerk AG, 2400 Lübeck Withdrawal signal device for breathing apparatus
AU2005266063B2 (en) * 2004-07-21 2011-04-28 African Oxygen Limited Multifunctional valve unit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1702021A (en) * 1926-05-14 1929-02-12 Calvin J Mummert Valve
US2217963A (en) * 1939-06-26 1940-10-15 Ervin H Mueller Valve structure
US3037502A (en) * 1956-05-21 1962-06-05 Lockheed Aircraft Corp Respiratory device
US2933283A (en) * 1957-10-19 1960-04-19 Kreis Philipp Cut-off valve
US2945703A (en) * 1958-06-06 1960-07-19 Walter W Ballard Valve and key therefor
US3127786A (en) * 1960-12-13 1964-04-07 Wooley William Hubert Detent for a self-closing water faucet
US3207179A (en) * 1962-11-23 1965-09-21 Schulz Tool & Mfg Co Gauge saver
US3244196A (en) * 1963-04-03 1966-04-05 Edward H Replogle Sonic reserve alarm for air-breathing apparatus
US3477463A (en) * 1967-05-08 1969-11-11 Marotta Valve Corp Valve structure and controller operated thereby
US3561477A (en) * 1968-10-11 1971-02-09 Olympio F Pinto Reducing valve assembly
US3552434A (en) * 1969-04-18 1971-01-05 Fwi Inc Cammed plug valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864474A (en) * 2016-05-26 2016-08-17 吴孟人 Throttling valve capable of achieving gear adjustment by means of fluid pressure
CN105864474B (en) * 2016-05-26 2018-06-19 吴孟人 A kind of throttle valve by Fluid pressure regulation stall

Also Published As

Publication number Publication date
ES194821U (en) 1975-01-01
DE2018147B2 (en) 1973-01-25
BE765665A (en) 1971-08-30
SE379322B (en) 1975-10-06
DE2018147A1 (en) 1971-12-30
FR2089722A5 (en) 1972-01-07
US3731704A (en) 1973-05-08
ES194821Y (en) 1975-05-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees