IT7947905A0 - Perfezionamento nelle pompe volumetriche rotative in particolare pompe ad ingranaggi - Google Patents
Perfezionamento nelle pompe volumetriche rotative in particolare pompe ad ingranaggiInfo
- Publication number
- IT7947905A0 IT7947905A0 IT7947905A IT4790579A IT7947905A0 IT 7947905 A0 IT7947905 A0 IT 7947905A0 IT 7947905 A IT7947905 A IT 7947905A IT 4790579 A IT4790579 A IT 4790579A IT 7947905 A0 IT7947905 A0 IT 7947905A0
- Authority
- IT
- Italy
- Prior art keywords
- pumps
- improvement
- particular gear
- rotary volumetric
- gear pumps
- Prior art date
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
- F04C14/24—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
- F04C14/265—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 being obtained by displacing a lateral sealing face
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
- B06B1/0614—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile for generating several frequencies
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7801373,A NL169509C (nl) | 1978-02-07 | 1978-02-07 | Roterende pomp. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7947905A0 true IT7947905A0 (it) | 1979-02-06 |
IT1113724B IT1113724B (it) | 1986-01-20 |
Family
ID=19830286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47905/79A IT1113724B (it) | 1978-02-07 | 1979-02-06 | Perfezionamento nelle pompe volume triche rotative in particolare pompe ad ingranaggi |
Country Status (7)
Country | Link |
---|---|
US (1) | US4253803A (it) |
DE (1) | DE2903545A1 (it) |
DK (1) | DK31579A (it) |
FR (1) | FR2416362A1 (it) |
IT (1) | IT1113724B (it) |
NL (1) | NL169509C (it) |
SE (1) | SE7901016L (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4401416A (en) * | 1980-02-19 | 1983-08-30 | Walbro Corporation | Self-contained rotary fuel pump |
US4373352A (en) * | 1981-04-27 | 1983-02-15 | General Electric Company | Variable displacement compressor |
US4485941A (en) * | 1981-09-14 | 1984-12-04 | Nordson Corporation | Apparatus for melting and dispensing thermoplastic material |
DE3342131A1 (de) | 1983-11-22 | 1985-06-05 | Kinshofer, Alfred, Ing.(grad.), 8160 Miesbach | Ringkolbenmaschine |
SE8700199D0 (sv) * | 1987-01-20 | 1987-01-20 | Atlas Copco Ab | Rotary compressor |
DE3924482A1 (de) * | 1989-07-25 | 1991-02-07 | Bosch Gmbh Robert | Zahnradpumpe |
US5085187A (en) * | 1991-03-11 | 1992-02-04 | Chrysler Corporation | Integral engine oil pump and pressure regulator |
DE4423096A1 (de) * | 1994-07-01 | 1996-01-04 | Alois Boerger | Rotorpumpe |
FR2830291B1 (fr) * | 2001-09-28 | 2004-04-16 | Danfoss Maneurop S A | Compresseur a spirales, de capacite variable |
US6688851B2 (en) | 2001-12-28 | 2004-02-10 | Visteon Global Technologies, Inc. | Oil pump for controlling planetary system torque |
AT500629B8 (de) * | 2004-05-27 | 2007-02-15 | Tcg Unitech Ag | Zahnradpumpe |
US7410349B2 (en) * | 2004-10-26 | 2008-08-12 | Magna Powertrain Usa, Inc. | High efficiency gerotor pump |
US7438542B2 (en) * | 2005-12-19 | 2008-10-21 | Dana Automotive Systems Group, Llc. | Fluid pump assembly |
DE102011077949A1 (de) * | 2011-06-22 | 2012-12-27 | Robert Bosch Gmbh | Zahnradpumpe |
JP5878786B2 (ja) * | 2012-02-21 | 2016-03-08 | 株式会社ミクニ | オイルポンプ |
US9163628B2 (en) * | 2013-03-11 | 2015-10-20 | Imo Industries, Inc. | Self adjusting gear pump |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2380783A (en) * | 1941-04-07 | 1945-07-31 | Gerotor May Company | Pump structure |
US2642001A (en) * | 1950-01-25 | 1953-06-16 | Bump Pump Co | Pump by-passing assemblage |
US2977886A (en) * | 1955-04-13 | 1961-04-04 | Fawick Corp | Fuel pump |
US3137234A (en) * | 1959-08-10 | 1964-06-16 | Roper Hydraulics Inc | Method of pumping and separating liquid and gaseous fluids |
CH399909A (de) * | 1960-04-30 | 1965-09-30 | Danfoss Ved Ing M Clausen | Zweistufige Zahnradpumpe |
FR1409380A (fr) * | 1964-07-15 | 1965-08-27 | Sigma | Perfectionnements apportés aux pompes volumétriques rotatives, plus particulièrement pour l'alimentation des pompes d'injection |
US3655299A (en) * | 1970-11-12 | 1972-04-11 | Eaton Corp | Rotary pump with pressure relief |
US3870437A (en) * | 1972-06-29 | 1975-03-11 | John T Gondek | Planetary gear pump |
US3806283A (en) * | 1973-01-04 | 1974-04-23 | Int Standard Electric Corp | Pump by-pass |
DE2460511A1 (de) * | 1974-12-20 | 1976-07-01 | Linde Ag | Druckabsicherungseinrichtung fuer eine rotationspumpe |
ZA782350B (en) * | 1977-05-26 | 1979-04-25 | Stainless Steel Pumps Ltd | Lobe-rotor pump |
-
1978
- 1978-02-07 NL NLAANVRAGE7801373,A patent/NL169509C/xx not_active IP Right Cessation
-
1979
- 1979-01-19 US US06/004,839 patent/US4253803A/en not_active Expired - Lifetime
- 1979-01-25 DK DK31579A patent/DK31579A/da not_active Application Discontinuation
- 1979-01-31 DE DE19792903545 patent/DE2903545A1/de not_active Withdrawn
- 1979-02-06 SE SE7901016A patent/SE7901016L/ not_active Application Discontinuation
- 1979-02-06 IT IT47905/79A patent/IT1113724B/it active
- 1979-02-06 FR FR7902997A patent/FR2416362A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
US4253803A (en) | 1981-03-03 |
SE7901016L (sv) | 1979-08-08 |
FR2416362A1 (fr) | 1979-08-31 |
NL169509C (nl) | 1982-07-16 |
DK31579A (da) | 1979-08-08 |
DE2903545A1 (de) | 1979-08-09 |
NL169509B (nl) | 1982-02-16 |
NL7801373A (nl) | 1979-08-09 |
IT1113724B (it) | 1986-01-20 |
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