FR873178A - Device for maintaining constant pressure in conduits or vessels filled with liquids or gases - Google Patents

Device for maintaining constant pressure in conduits or vessels filled with liquids or gases

Info

Publication number
FR873178A
FR873178A FR873178DA FR873178A FR 873178 A FR873178 A FR 873178A FR 873178D A FR873178D A FR 873178DA FR 873178 A FR873178 A FR 873178A
Authority
FR
France
Prior art keywords
conduits
liquids
gases
constant pressure
maintaining constant
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
Other languages
French (fr)
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.)
BMW Flugmotorenbau GmbH
Original Assignee
BMW Flugmotorenbau GmbH
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 BMW Flugmotorenbau GmbH filed Critical BMW Flugmotorenbau GmbH
Application granted granted Critical
Publication of FR873178A publication Critical patent/FR873178A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
FR873178D 1940-07-18 1941-06-19 Device for maintaining constant pressure in conduits or vessels filled with liquids or gases Expired FR873178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE873178X 1940-07-18

Publications (1)

Publication Number Publication Date
FR873178A true FR873178A (en) 1942-07-01

Family

ID=6816316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873178D Expired FR873178A (en) 1940-07-18 1941-06-19 Device for maintaining constant pressure in conduits or vessels filled with liquids or gases

Country Status (1)

Country Link
FR (1) FR873178A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098309B (en) * 1958-10-10 1961-01-26 Weserhuette Ag Eisenwerk Control spool
DE1169746B (en) * 1960-05-16 1964-05-06 Parker Hannifin Corp Spring-loaded pressure relief valve with a spring-loaded auxiliary valve causing it to be triggered
DE1188397B (en) * 1961-09-29 1965-03-04 Frank G Hough Co Automatic hydraulic control device for double-acting working cylinders
DE1203556B (en) * 1962-02-06 1965-10-21 Licentia Gmbh Minimum pressure valve for pneumatically operated devices
DE1227745B (en) * 1960-06-27 1966-10-27 Sperry Rand Corp Control device with at least one control slide or valve
DE1235695B (en) * 1960-05-23 1967-03-02 Atlas Copco Ab Valve with closing pieces that open automatically by flow pressure, especially for the delivery lines of compressors
DE1242961B (en) * 1964-03-23 1967-06-22 Hydraulic Unit Specialities Co Blocking block for the connection lines of reversible hydraulic motors
DE1260096B (en) * 1964-11-11 1968-02-01 Demag Zug Gmbh Lowering brake valve for an open hydraulic lifting or luffing work group for hydraulically operated mobile cranes or excavators
DE1262088B (en) * 1963-08-13 1968-02-29 Borg Warner Control device with a control valve and an automatic valve
DE1294209B (en) * 1963-02-25 1969-04-30 Caterpillar Tractor Co Control device for two separate pressure medium actuated devices

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098309B (en) * 1958-10-10 1961-01-26 Weserhuette Ag Eisenwerk Control spool
DE1169746B (en) * 1960-05-16 1964-05-06 Parker Hannifin Corp Spring-loaded pressure relief valve with a spring-loaded auxiliary valve causing it to be triggered
DE1235695B (en) * 1960-05-23 1967-03-02 Atlas Copco Ab Valve with closing pieces that open automatically by flow pressure, especially for the delivery lines of compressors
DE1227745B (en) * 1960-06-27 1966-10-27 Sperry Rand Corp Control device with at least one control slide or valve
DE1188397B (en) * 1961-09-29 1965-03-04 Frank G Hough Co Automatic hydraulic control device for double-acting working cylinders
DE1203556B (en) * 1962-02-06 1965-10-21 Licentia Gmbh Minimum pressure valve for pneumatically operated devices
DE1294209B (en) * 1963-02-25 1969-04-30 Caterpillar Tractor Co Control device for two separate pressure medium actuated devices
DE1294209C2 (en) * 1963-02-25 1973-08-09 Caterpillar Tractor Co Control device for two separate pressurized devices
DE1262088B (en) * 1963-08-13 1968-02-29 Borg Warner Control device with a control valve and an automatic valve
DE1242961B (en) * 1964-03-23 1967-06-22 Hydraulic Unit Specialities Co Blocking block for the connection lines of reversible hydraulic motors
DE1260096B (en) * 1964-11-11 1968-02-01 Demag Zug Gmbh Lowering brake valve for an open hydraulic lifting or luffing work group for hydraulically operated mobile cranes or excavators

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