GB1197457A - Improvements in or Relating to Rotary Pumps - Google Patents

Improvements in or Relating to Rotary Pumps

Info

Publication number
GB1197457A
GB1197457A GB41237/67A GB4123767A GB1197457A GB 1197457 A GB1197457 A GB 1197457A GB 41237/67 A GB41237/67 A GB 41237/67A GB 4123767 A GB4123767 A GB 4123767A GB 1197457 A GB1197457 A GB 1197457A
Authority
GB
United Kingdom
Prior art keywords
ports
cam ring
rotor
end member
passage
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
GB41237/67A
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.)
Hobourn Eaton Manufacturing Co Ltd
Original Assignee
Hobourn Eaton Manufacturing Co 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 Hobourn Eaton Manufacturing Co Ltd filed Critical Hobourn Eaton Manufacturing Co Ltd
Publication of GB1197457A publication Critical patent/GB1197457A/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/062—Arrangements for supercharging the working space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3445—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rotary Pumps (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

1,197,457. Rotary pumps. HOBOURN-EATON MFG. CO. Ltd. Sept. 8, 1967 [Sept. 16, 1966], No.41237/67. Heading F1F. A rotary pump comprising pumping means, including a cam ring having a radially inwardly facing surface, a rotor secured tc a shaft and disposed within the cam ring and pumping elements disposed in respective circumferentially spaced slots around the rotor, engageable with the inner surface of the cam ring and on rotation of the rotor reciprocable in their slots to vary the volume of pockets between adjacent elements, the cam ring and the rotor, an end member at each axial side of the pumping means fixed relative to the cam ring provided with inlet port means comprising an inner port radially inwards of a pumping element passing the port and an outer port disposed radially outwards of the inner port and inlet passage means leading to the inlet port means constructed such that the pressure of fluid entering the inner ports is greater than that entering the outer ports. As shown, a rotor 14, Fig. 1, secured to a shaft 13 is formed with a plurality of circumferentially spaced slots 21, Fig. 6, in each of which is mounted a roller 16 which engages the inner surface 20 of a cam ring 15 and reciprocates in its slot to pump liquid from a reservoir 30 to an outlet connection 31. End members 25, 35, one on each side of the rotor 14, are secured to the cam ring 15. The end member 25 includes diametral pairs of ports, inner inlet ports 28a, outer inlet ports 28b, inner outlet ports 29a and outer outlet ports 29b, with the outlet ports disposed at 90 degrees with respect to the inlet ports. The end member 35 includes dimetral pairs of ports 48a, 48b, 49a, 49b corresponding to and aligned with the ports 28a, 28b, 29a, 29b with the outer inlet ports 28b, 48b interconnected by axial cam ring passages 64 and the outer outlet ports 29b, 49b inter-connected by axial cam ring passages 75. Liquid from the reservoir 30 passes through a passage 26 to the ports 28a and a branch passage 26a in which pressure is reduced to the ports 28b and thence through the passages 64 to the ports 48b. At the same time liquid from the reservoir 30 passes through an axial passage 13 and radial ports 66 in the shaft 13 and a passage 48 to the ports 48a, the pressure of the liquid in the ports 48a being increased by centrifugal force due to rotor rotation. Restricted ports 68 in the end member 35 convey liquid at reduced pressure to the ports 48b to supplement the liquid passing through the passages 64. It is stated that the ports and passages are designed to reduce the variation in radial pressures along the length of the rollers to reduce or eliminate tilting thereof. Pump discharge pressure is admitted to a chamber 54 at the rear of the end member 35 to urge the end member 35 into sealing engagement with the rotor and a flange 47 on the housing 11 sealingly against the end member. A spring-loaded, by-pass valve 70 when unseated by-passes liquid from the outlet passage 27 and directs it into the axial shaft passage 13a.
GB41237/67A 1966-09-16 1967-09-08 Improvements in or Relating to Rotary Pumps Expired GB1197457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US580090A US3412685A (en) 1966-09-16 1966-09-16 Pump

Publications (1)

Publication Number Publication Date
GB1197457A true GB1197457A (en) 1970-07-08

Family

ID=24319645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41237/67A Expired GB1197457A (en) 1966-09-16 1967-09-08 Improvements in or Relating to Rotary Pumps

Country Status (8)

Country Link
US (1) US3412685A (en)
CH (1) CH466048A (en)
DE (1) DE1653845A1 (en)
DK (1) DK136432B (en)
ES (1) ES345457A1 (en)
GB (1) GB1197457A (en)
NO (1) NO123820B (en)
SE (1) SE324288B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201734A (en) * 1987-02-14 1988-09-07 Neil Andrew Abercrombi Simpson Roller vane machine

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480204A (en) * 1968-03-26 1969-11-25 Borg Warner Lubrication system for rotary compressor
DE2855085C2 (en) * 1978-08-18 1986-04-24 S.R.M. Hydromekanik Ab, Stockholm Pump arrangement for supplying consumers with strongly fluctuating hydraulic fluid requirements
IT1133295B (en) * 1980-05-08 1986-07-09 Weber Spa ELECTRICALLY OPERATED FUEL PUMP, SUITABLE FOR USE IN INJECTION SYSTEMS FOR INTERNAL COMBUSTION ENGINES WITH COMMAND IGNITION
US4828468A (en) * 1985-02-25 1989-05-09 Eaton Corporation Balanced roller vane pump having reduced pressure pulses
US5279119A (en) * 1991-02-25 1994-01-18 Wickes Manufacturing Company Hydraulic lock and bypass for vehicle hydraulic system
US5375418A (en) * 1991-02-25 1994-12-27 Wickes Manufacturing Company Controlled convertible top hydraulic lock
US5611200A (en) * 1993-07-28 1997-03-18 Honeywell Inc. Linear hydraulic actuator with adjustable output speed
DE10015020A1 (en) * 2000-03-25 2001-09-27 Zf Lenksysteme Gmbh Positive displacement pump

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725013A (en) * 1952-01-15 1955-11-29 Constantinos H Vlachos Rotary engine
US2808004A (en) * 1952-02-19 1957-10-01 John D Durant Pumping mechanism
US2823614A (en) * 1952-06-13 1958-02-18 Clark Equipment Co Pump
US2818813A (en) * 1954-09-09 1958-01-07 Vickers Inc Power transmission
US3204566A (en) * 1962-06-11 1965-09-07 Feroy Arne Vane type hydraulic mechanism with balanced stator walls
US3273503A (en) * 1963-12-26 1966-09-20 Trw Inc Stack up slipper pump and compact valve assembly
US3207077A (en) * 1963-05-27 1965-09-21 Gen Motors Corp Pump
US3329067A (en) * 1964-11-23 1967-07-04 Nils O Rosaen Fluid motors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201734A (en) * 1987-02-14 1988-09-07 Neil Andrew Abercrombi Simpson Roller vane machine
GB2201734B (en) * 1987-02-14 1991-10-16 Neil Andrew Abercrombi Simpson Roller vane motor

Also Published As

Publication number Publication date
DK136432B (en) 1977-10-10
CH466048A (en) 1968-11-30
ES345457A1 (en) 1969-01-16
DE1653845A1 (en) 1971-06-09
NO123820B (en) 1972-01-17
SE324288B (en) 1970-05-25
DK136432C (en) 1978-03-06
US3412685A (en) 1968-11-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee