IT992955B - GEAR PUMP - Google Patents

GEAR PUMP

Info

Publication number
IT992955B
IT992955B IT7327860A IT2786073A IT992955B IT 992955 B IT992955 B IT 992955B IT 7327860 A IT7327860 A IT 7327860A IT 2786073 A IT2786073 A IT 2786073A IT 992955 B IT992955 B IT 992955B
Authority
IT
Italy
Prior art keywords
gear pump
gear
pump
Prior art date
Application number
IT7327860A
Other languages
Italian (it)
Original Assignee
Alfa Laval Ab
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 Alfa Laval Ab filed Critical Alfa Laval Ab
Application granted granted Critical
Publication of IT992955B publication Critical patent/IT992955B/en

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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
    • 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/005—Removing contaminants, deposits or scale from the pump; Cleaning
    • 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
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/101—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with a crescent-shaped filler element, located between the inner and outer intermeshing members
IT7327860A 1972-08-18 1973-08-14 GEAR PUMP IT992955B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE10757/72A SE366094B (en) 1972-08-18 1972-08-18

Publications (1)

Publication Number Publication Date
IT992955B true IT992955B (en) 1975-09-30

Family

ID=20292801

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7327860A IT992955B (en) 1972-08-18 1973-08-14 GEAR PUMP

Country Status (9)

Country Link
US (1) US3876349A (en)
JP (1) JPS5534318B2 (en)
CA (1) CA993724A (en)
DE (1) DE2339954C2 (en)
DK (1) DK133709B (en)
FR (1) FR2196677A5 (en)
GB (1) GB1408332A (en)
IT (1) IT992955B (en)
SE (1) SE366094B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK136991B (en) * 1976-02-25 1977-12-27 Gram Brdr As Gear pump with internal engagement.
US4073605A (en) * 1976-09-15 1978-02-14 Crepaco, Inc. Rotary pump construction with cleaning feature
JPS57204484U (en) * 1981-06-22 1982-12-25
JPS5962653U (en) * 1983-02-14 1984-04-24 株式会社デンソー electromagnetic device
US5180297A (en) * 1991-03-22 1993-01-19 The Gorman-Rupp Company Fluid transfer pump with shaft seal structure
US5197869A (en) * 1991-03-22 1993-03-30 The Gorman-Rupp Company Rotary gear transfer pump having pressure balancing lubrication, bearing and mounting means
US5120206A (en) * 1991-04-08 1992-06-09 Bridgestone/Firestone, Inc. Gear metering pump for compounded elastomeric material
IT1285662B1 (en) * 1996-04-04 1998-06-18 Catta 27 S R L HYDRAULIC PUMP, PARTICULARLY OF THE LOBE TYPE, WITH PREPARATIONS FOR AUTOMATIC INTERNAL WASHING AND WITH MALFUNCTION LIGHTS,
US6672850B2 (en) 2001-12-21 2004-01-06 Visteon Global Technologies, Inc. Torque control oil pump with low parasitic loss and rapid pressure transient response
US7832997B2 (en) * 2004-12-22 2010-11-16 Magna Powertrain, Inc. Variable capacity gerotor pump
US7559754B2 (en) * 2005-06-23 2009-07-14 Kawasaki Jukogyo Kabushiki Kaisha Internal gear pump in combustion engine
DK178818B1 (en) * 2015-07-06 2017-02-27 Tetra Laval Holdings & Finance Self adjusting pump for ice cream freezer
CZ307543B6 (en) * 2017-06-08 2018-11-21 Emil Brabec A piston pump for liquids, especially for more viscous and pastelike media
DK3453879T3 (en) * 2017-09-06 2024-01-22 Tetra Laval Holdings & Finance FOOD PUMP WITH PUMP WHEEL AND STAR WHEEL

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE414295C (en) * 1923-07-14 1925-05-28 Harry Clarence Phillips Device for changing the performance of rotary piston machines
US1672257A (en) * 1926-08-23 1928-06-05 Creamery Package Mfg Co Rotary pump
US1990750A (en) * 1931-03-02 1935-02-12 Gulf Res & Dev Corp Variable volume pump and hydraulic transmission
CH216223A (en) * 1940-03-30 1941-08-15 Truninger Paul Rotary piston machine.
CH243665A (en) * 1940-10-24 1946-07-31 Bross Erich Gear device with variable flow rate of a liquid working medium.
US2481560A (en) * 1947-05-31 1949-09-13 Viking Pump Company Sanitary pump
DE1076496B (en) * 1956-09-25 1960-02-25 Zahnradfabrik Friedrichshafen Adjustable rotary piston machine with two eccentrically mounted, internally rotating toothed wheels
US2979036A (en) * 1958-05-09 1961-04-11 Sven A Noren Hydraulic rotary engine
CH389437A (en) * 1961-09-01 1965-03-15 Aeratom Ag Process and filling device for the sterile filling of liquids into containers
US3224198A (en) * 1964-12-23 1965-12-21 Schimkat Gerhard Franz Hydrostatic machine
US3443522A (en) * 1967-07-10 1969-05-13 Werner Schindler Positive-displacement pump

Also Published As

Publication number Publication date
DK133709C (en) 1976-11-22
JPS5534318B2 (en) 1980-09-05
US3876349A (en) 1975-04-08
DE2339954C2 (en) 1983-01-05
JPS4992605A (en) 1974-09-04
SE366094B (en) 1974-04-08
GB1408332A (en) 1975-10-01
DK133709B (en) 1976-07-05
DE2339954A1 (en) 1974-02-28
FR2196677A5 (en) 1974-03-15
CA993724A (en) 1976-07-27

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