GB1450331A - Pumps - Google Patents

Pumps

Info

Publication number
GB1450331A
GB1450331A GB738174A GB738174A GB1450331A GB 1450331 A GB1450331 A GB 1450331A GB 738174 A GB738174 A GB 738174A GB 738174 A GB738174 A GB 738174A GB 1450331 A GB1450331 A GB 1450331A
Authority
GB
United Kingdom
Prior art keywords
valve
chamber
emptied
duct
bore
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
GB738174A
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.)
Thune Eureka AS
Original Assignee
Thune Eureka AS
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 NO2766/73A external-priority patent/NO138608C/en
Application filed by Thune Eureka AS filed Critical Thune Eureka AS
Publication of GB1450331A publication Critical patent/GB1450331A/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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
    • F04D13/046—Units comprising pumps and their driving means the pump being fluid driven the fluid driving means being a hydraulic motor of the positive displacement type
    • 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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the leaking fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/602—Drainage
    • F05D2260/6022—Drainage of leakage having past a seal

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

1450331 Shaft seals THUNE EUREKA AS 19 Feb 1974 [27 June 1973 5 July 1973] 7381/74 Heading F2B Oil flung out into chamber 26, during pump operation, has a rotary motion imparted to it by contact with the rear wall of the pump impeller 27. The rotating ring of liquid so formed is in fluid communication, through bore 40, with relief valve 37 and, when the fluid pressure, due to angular acceleration, opens the valve 37, the chamber 26 is emptied through duct 25. In the stationary state, the chamber 26 may be emptied through ducts 9 and 25, under the pressure of a flushing gas, introduced through a duct (not shown). The bore of relief valve 41 is greater than that of valve 37, so that valve 41 lifts off its seat at a lower fluid pressure.
GB738174A 1973-06-27 1974-02-19 Pumps Expired GB1450331A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO266473 1973-06-27
NO2766/73A NO138608C (en) 1973-07-05 1973-07-05 SUBMISSIBLE BAG PUMP.

Publications (1)

Publication Number Publication Date
GB1450331A true GB1450331A (en) 1976-09-22

Family

ID=26647468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB738174A Expired GB1450331A (en) 1973-06-27 1974-02-19 Pumps

Country Status (1)

Country Link
GB (1) GB1450331A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee