FR988559A - Improvements made to hydro-pneumatic devices to obtain the automatic reversal of the direction of flow of a liquid stream, in particular for unclogging liquid filters, measuring devices, etc. - Google Patents

Improvements made to hydro-pneumatic devices to obtain the automatic reversal of the direction of flow of a liquid stream, in particular for unclogging liquid filters, measuring devices, etc.

Info

Publication number
FR988559A
FR988559A FR988559DA FR988559A FR 988559 A FR988559 A FR 988559A FR 988559D A FR988559D A FR 988559DA FR 988559 A FR988559 A FR 988559A
Authority
FR
France
Prior art keywords
hydro
flow
devices
improvements made
unclogging
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)
Inventor
Robert-Eugene Saint-Andre
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
Application granted granted Critical
Publication of FR988559A publication Critical patent/FR988559A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing
FR988559D 1944-01-10 1944-01-10 Improvements made to hydro-pneumatic devices to obtain the automatic reversal of the direction of flow of a liquid stream, in particular for unclogging liquid filters, measuring devices, etc. Expired FR988559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR988559T 1944-01-10

Publications (1)

Publication Number Publication Date
FR988559A true FR988559A (en) 1951-08-29

Family

ID=9539567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988559D Expired FR988559A (en) 1944-01-10 1944-01-10 Improvements made to hydro-pneumatic devices to obtain the automatic reversal of the direction of flow of a liquid stream, in particular for unclogging liquid filters, measuring devices, etc.

Country Status (1)

Country Link
FR (1) FR988559A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829669A (en) * 1956-06-13 1958-04-08 Anthony J Luzynski Antiknock fitting
US3321031A (en) * 1964-07-09 1967-05-23 Int Harvester Co Earth working implement control apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829669A (en) * 1956-06-13 1958-04-08 Anthony J Luzynski Antiknock fitting
US3321031A (en) * 1964-07-09 1967-05-23 Int Harvester Co Earth working implement control apparatus

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