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GB1390982A - Pump used in dredging systems operating with compressed air - Google Patents

Pump used in dredging systems operating with compressed air

Info

Publication number
GB1390982A
GB1390982A GB1284972A GB1284972A GB1390982A GB 1390982 A GB1390982 A GB 1390982A GB 1284972 A GB1284972 A GB 1284972A GB 1284972 A GB1284972 A GB 1284972A GB 1390982 A GB1390982 A GB 1390982A
Authority
GB
United Kingdom
Prior art keywords
compressed air
valve
pump used
systems operating
inlet
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
GB1284972A
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
Application filed by Individual filed Critical Individual
Priority to GB1284972A priority Critical patent/GB1390982A/en
Publication of GB1390982A publication Critical patent/GB1390982A/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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
    • F04F1/10—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped of multiple type, e.g. with two or more units in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Float Valves (AREA)

Abstract

1390982 Raising liquids G FALDI 20 March 1972 12849/72 Heading F1R A pump suitable for dredging comprises chambers 1 each having an inlet valve 3 above and adapted to seat on an inlet pipe 2, a discharge pipe 7 and valve 8, and a pressure air inlet 14 protected by a float valve 15. The inlet pipes 2 are connected to a source of clean water through non-return valves 18 and a throttle valve 11.
GB1284972A 1972-03-20 1972-03-20 Pump used in dredging systems operating with compressed air Expired GB1390982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1284972A GB1390982A (en) 1972-03-20 1972-03-20 Pump used in dredging systems operating with compressed air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1284972A GB1390982A (en) 1972-03-20 1972-03-20 Pump used in dredging systems operating with compressed air

Publications (1)

Publication Number Publication Date
GB1390982A true GB1390982A (en) 1975-04-16

Family

ID=10012277

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1284972A Expired GB1390982A (en) 1972-03-20 1972-03-20 Pump used in dredging systems operating with compressed air

Country Status (1)

Country Link
GB (1) GB1390982A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204363A (en) * 1987-05-05 1988-11-09 Hasler Freres Int Sa Metering liquid or thick substances
GB2254890A (en) * 1991-04-17 1992-10-21 Pneuma Srl Raising liquids; dredging apparatus.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204363A (en) * 1987-05-05 1988-11-09 Hasler Freres Int Sa Metering liquid or thick substances
GB2254890A (en) * 1991-04-17 1992-10-21 Pneuma Srl Raising liquids; dredging apparatus.
GB2254890B (en) * 1991-04-17 1995-06-14 Pneuma Srl Dredging apparatus

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee