GB817872A - Improvements in or relating to pumps - Google Patents

Improvements in or relating to pumps

Info

Publication number
GB817872A
GB817872A GB1789356A GB1789356A GB817872A GB 817872 A GB817872 A GB 817872A GB 1789356 A GB1789356 A GB 1789356A GB 1789356 A GB1789356 A GB 1789356A GB 817872 A GB817872 A GB 817872A
Authority
GB
United Kingdom
Prior art keywords
liquid
cylinder
level
tank
plunger
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
GB1789356A
Inventor
Horace Frank Parker
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
Filing date
Publication date
Application filed by UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB817872A publication Critical patent/GB817872A/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/008—Spacing or clearance between cylinder and piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

817,872. Reciprocating pumps. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. May 24, 1957 [June 9, 1956], No. 17893/56. Class 102(1). A reciprocating pump comprises a tank 3 to which liquid is supplied through an 4, the level of liquid in the tank being maintained at a constant level by an overflow pipe 6. A cylinder 1 having a blind end 1a below the liquid level, and an open end above this level is provided with ports 7 for gravity liquid flow from the tank to the cylinder. A leaky plunger 8, being a loose fit in the cylinder is provided with a central bore 9 and axial ports 10 and is connected by a rod 18 to an air motor (not shown). In operation the plunger rises above the ports 7 and liquid flows into the cylinder 1, and on its downward stroke liquid is discharged through bore 9, passages 10 to the outlet 17 situated above the liquid level in the tank. A baffle 14 is provided on the plunger to prevent splashing of the liquid and a conduit 15 provides a pressure relief passage from the chamber 11. The stroke of the plunger may be varied to regulate the volume of delivery. In a modified form the bore 9 may be omitted and the discharge of the liquid takes place through a radial port at the bottom of the cylinder and an axial passage parallel to the cylinder extending to the outlet. Several pumps may be gauged together and operated through an air system to pump different liquids.
GB1789356A 1956-06-09 Improvements in or relating to pumps Expired GB817872A (en)

Publications (1)

Publication Number Publication Date
GB817872A true GB817872A (en) 1959-08-06

Family

ID=1733496

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1789356A Expired GB817872A (en) 1956-06-09 Improvements in or relating to pumps

Country Status (1)

Country Link
GB (1) GB817872A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551505A1 (en) * 1983-08-31 1985-03-08 Groupe Indl Realisa Applic Gir PUMPING SYSTEM FOR LIQUID PHASE CHROMATOGRAPHY

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551505A1 (en) * 1983-08-31 1985-03-08 Groupe Indl Realisa Applic Gir PUMPING SYSTEM FOR LIQUID PHASE CHROMATOGRAPHY
EP0136220A1 (en) * 1983-08-31 1985-04-03 Groupe Industriel De Realisation Et D'application Gira S.A. Pump system for chromatography in the liquid phase

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