GB509039A - Improvements relating to reciprocating pumps - Google Patents

Improvements relating to reciprocating pumps

Info

Publication number
GB509039A
GB509039A GB26533/37A GB2653337A GB509039A GB 509039 A GB509039 A GB 509039A GB 26533/37 A GB26533/37 A GB 26533/37A GB 2653337 A GB2653337 A GB 2653337A GB 509039 A GB509039 A GB 509039A
Authority
GB
United Kingdom
Prior art keywords
pistons
cams
pumps
phase
degrees out
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
GB26533/37A
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.)
Varley Pumps & Engineering Ltd
Original Assignee
Varley Pumps & Engineering Ltd
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 Varley Pumps & Engineering Ltd filed Critical Varley Pumps & Engineering Ltd
Priority to GB26533/37A priority Critical patent/GB509039A/en
Publication of GB509039A publication Critical patent/GB509039A/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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0439—Supporting or guiding means for the pistons
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • F04B11/0058—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control
    • F04B11/0066—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control with special shape of the actuating element
    • 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
    • F04B53/148—Pistons, piston-rods or piston-rod connections the piston being provided with channels which are coacting with the cylinder and are used as a distribution member for another piston-cylinder unit
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams

Landscapes

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

Abstract

509,039. Reciprocating pumps. VARLEY, C. H., and VARLEY PUMPS & ENGINEERING. Ltd. Oct. 31, 1938, No. 26533/37. [Class 102 (i)] Pump pistons c', c<2> are actuated by levers l<1>, l<2> integral with a boss w<1> which carries levers k<1>, k<2>, having rollers j<1>, j<2> engaging cams h<1>, h<2> which are of similar shape and arranged 90 degrees out of phase with respect to the cams, the pistons c<1>, c<2> reciprocate 180 degrees out of phase with each other. A similar pair of pistons actuated in a similar manner are located adjacent those shown and the cams are shaped so that a constant delivery is obtained. Each piston adjacent the pistons c<1>, c<2> is 90 degrees out of phase with the piston c<1> or c<2> and the pistons have reduced portions n co-operating with ports s, t, u so that each piston serves as a slide valve for the adjacent cylinder. The cams have concentric portions so that the pistons remain stationary at the ends of their strokes. The valves are also provided with lap so that the pressure in the pump cylinders will reach delivery pressure before the valves are opened. The pumps may be supplied by a feed pump.
GB26533/37A 1938-10-31 1938-10-31 Improvements relating to reciprocating pumps Expired GB509039A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB26533/37A GB509039A (en) 1938-10-31 1938-10-31 Improvements relating to reciprocating pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26533/37A GB509039A (en) 1938-10-31 1938-10-31 Improvements relating to reciprocating pumps

Publications (1)

Publication Number Publication Date
GB509039A true GB509039A (en) 1939-07-11

Family

ID=10245131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26533/37A Expired GB509039A (en) 1938-10-31 1938-10-31 Improvements relating to reciprocating pumps

Country Status (1)

Country Link
GB (1) GB509039A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108436A (en) * 1960-07-19 1963-10-29 Panhard & Levassor Ets Machines of the piston-pump type
US4453898A (en) * 1977-08-01 1984-06-12 The Perkin-Elmer Corporation Dual-piston reciprocating pump assembly
US4486160A (en) * 1981-07-18 1984-12-04 Dowty Hydraulic Units Limited Pumps and motors
US4556371A (en) * 1983-07-18 1985-12-03 Fmc Corporation Constant flow positive displacement pump
US4790732A (en) * 1984-07-31 1988-12-13 Yoshichi Yamatani Driving means of the triple-cylinder plunger pump
WO1997018394A1 (en) * 1995-11-14 1997-05-22 Feluwa Pumpen Gmbh Device with at least two drive cylinders

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108436A (en) * 1960-07-19 1963-10-29 Panhard & Levassor Ets Machines of the piston-pump type
US4453898A (en) * 1977-08-01 1984-06-12 The Perkin-Elmer Corporation Dual-piston reciprocating pump assembly
US4486160A (en) * 1981-07-18 1984-12-04 Dowty Hydraulic Units Limited Pumps and motors
US4556371A (en) * 1983-07-18 1985-12-03 Fmc Corporation Constant flow positive displacement pump
US4790732A (en) * 1984-07-31 1988-12-13 Yoshichi Yamatani Driving means of the triple-cylinder plunger pump
WO1997018394A1 (en) * 1995-11-14 1997-05-22 Feluwa Pumpen Gmbh Device with at least two drive cylinders

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