US3841797A - Power units - Google Patents

Power units Download PDF

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Publication number
US3841797A
US3841797A US00305453A US30545372A US3841797A US 3841797 A US3841797 A US 3841797A US 00305453 A US00305453 A US 00305453A US 30545372 A US30545372 A US 30545372A US 3841797 A US3841797 A US 3841797A
Authority
US
United States
Prior art keywords
engine
piston
valve
pump
pressure
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 - Lifetime
Application number
US00305453A
Other languages
English (en)
Inventor
W Fitzgerald
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US05/504,723 priority Critical patent/US4031920A/en
Priority to US05/504,725 priority patent/US3968732A/en
Priority to US504724A priority patent/US3918857A/en
Priority to US05/504,728 priority patent/US4048970A/en
Priority to US504729A priority patent/US3908379A/en
Priority to US504722A priority patent/US3918851A/en
Application granted granted Critical
Publication of US3841797A publication Critical patent/US3841797A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • F02B71/045—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby with hydrostatic transmission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C2/00—Rotary-piston engines
    • F03C2/08—Rotary-piston engines of intermeshing-engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • 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
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/16—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by adjusting the capacity of dead spaces of working chambers
    • 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
    • F04B53/10—Valves; Arrangement of valves
    • 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
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/102—Disc valves
    • F04B53/1032—Spring-actuated disc valves
    • 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
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Valve Device For Special Equipments (AREA)
US00305453A 1971-11-18 1972-11-10 Power units Expired - Lifetime US3841797A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US05/504,723 US4031920A (en) 1972-11-10 1974-09-09 Pressurized hydraulic sump system
US05/504,725 US3968732A (en) 1972-11-10 1974-09-09 Hydraulic power transmission system
US504724A US3918857A (en) 1972-11-10 1974-09-09 Hydraulic motors with intermeshing sun and planet gears
US05/504,728 US4048970A (en) 1972-11-10 1974-09-09 Fuel injector
US504729A US3908379A (en) 1972-11-10 1974-09-09 Opposed free piston engine having start, stop, and restart control means
US504722A US3918851A (en) 1972-11-10 1974-09-09 High velocity shaft seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5372171A GB1406221A (en) 1971-11-18 1971-11-18 Power units

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US05/504,723 Division US4031920A (en) 1972-11-10 1974-09-09 Pressurized hydraulic sump system
US05/504,725 Division US3968732A (en) 1972-11-10 1974-09-09 Hydraulic power transmission system
US05/504,728 Division US4048970A (en) 1972-11-10 1974-09-09 Fuel injector

Publications (1)

Publication Number Publication Date
US3841797A true US3841797A (en) 1974-10-15

Family

ID=10468766

Family Applications (1)

Application Number Title Priority Date Filing Date
US00305453A Expired - Lifetime US3841797A (en) 1971-11-18 1972-11-10 Power units

Country Status (14)

Country Link
US (1) US3841797A (de)
JP (1) JPS5650105B2 (de)
AR (1) AR195203A1 (de)
BE (1) BE791450A (de)
BR (1) BR7207968D0 (de)
CH (7) CH569195A5 (de)
CS (1) CS185613B2 (de)
DE (1) DE2256198C2 (de)
FR (7) FR2160651B1 (de)
GB (1) GB1406221A (de)
IN (1) IN139163B (de)
IT (1) IT1056731B (de)
NL (1) NL177846C (de)
SE (1) SE392503B (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205638A (en) * 1977-11-18 1980-06-03 Giovanni Vlacancinch Fluid power supply system
US5287827A (en) * 1991-09-17 1994-02-22 Tectonics Companies, Inc. Free piston engine control system
US5579728A (en) * 1994-10-06 1996-12-03 Advanced Thermodynamics Corporation Vehicle with combined cooling system and hydraulic system
US6029616A (en) * 1995-04-20 2000-02-29 Split Cycle Technology Limited Free piston engine
US20110110797A1 (en) * 2009-11-02 2011-05-12 Cho Michael Y System and method for water expulsion from underwater hydropower plant and hydropower plant associated therewith
US20120279473A1 (en) * 2010-01-27 2012-11-08 Robert Bosch Gmbh Fuel injection system with integrated high-pressure accumulator
CN103423506A (zh) * 2012-05-22 2013-12-04 徐学新 一种多回转式液动阀门
CN103644029A (zh) * 2012-09-21 2014-03-19 摩尔动力(北京)技术股份有限公司 内燃往复相循环发动机
WO2014126499A1 (ru) * 2013-02-14 2014-08-21 Shadrin Dmitry Gennadievich Генератор
CN104929766A (zh) * 2014-03-21 2015-09-23 北京理工大学 一种液压自由活塞发动机
CN105257502A (zh) * 2015-10-21 2016-01-20 绍兴泰克精工机电有限公司 一种加压防逆流型水泵
US20160376983A1 (en) * 2015-06-23 2016-12-29 Ricardo Daniel ALVARADO ESCOTO Highly efficient two-stroke internal combustion hydraulic engine with a torquing vane device incorporated.
CN108799604A (zh) * 2018-06-29 2018-11-13 武汉大学 一种有机玻璃平板快速关闭阀门

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502256A1 (fr) * 1981-03-23 1982-09-24 Airmachines Pompe hydraulique a piston a course variable et generateur faisant application de la pompe
JPS5854108U (ja) * 1981-10-07 1983-04-13 デイエツクスアンテナ株式会社 室内用アンテナ
FR2571096A1 (fr) * 1984-10-01 1986-04-04 Lehir J Pierre Moteur double action a un cylindre avec deux pistons travaillant en sens oppose.
FR2572771A1 (fr) * 1984-11-08 1986-05-09 Lehir Jean Pierre Moteur a combustion a deux pistons opposes dans le meme cylindre
JPH0186706U (de) * 1987-11-30 1989-06-08
JPH0466806U (de) * 1990-10-23 1992-06-12
CN108953419B (zh) * 2018-09-25 2023-12-01 杭叉集团股份有限公司 一种液压刹车系统
CN112031932B (zh) * 2020-09-17 2022-04-29 天津大学 一种具有液压同步机构的对置式液压自由活塞发动机及其驱动方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363609A (en) * 1966-05-09 1968-01-16 Citroen Sa Andre Liquid fuel injection devices for free piston internal combustion engines
US3365879A (en) * 1964-11-25 1968-01-30 Citroen Sa Andre Hydraulic transmission power plants and liquid fuel injection devices for internal combustion engines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745357A (en) * 1951-10-22 1956-05-15 Northrop Aircraft Inc Pressurized hydraulic reservoir
GB797296A (en) * 1955-10-06 1958-07-02 Dowty Equipment Ltd Improvements relating to pressure-loaded reservoirs and charging devices therefor
US2830609A (en) * 1956-04-20 1958-04-15 Avro Aircraft Ltd Hydraulically pressurized compensator
US3145660A (en) * 1962-02-13 1964-08-25 Bush Vannevar Free piston hydraulic pump
BE672028A (de) * 1964-11-25
US3667223A (en) * 1971-02-16 1972-06-06 Mc Donnell Douglas Corp Hydraulic system having means for isolating leaking branch circuits

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365879A (en) * 1964-11-25 1968-01-30 Citroen Sa Andre Hydraulic transmission power plants and liquid fuel injection devices for internal combustion engines
US3363609A (en) * 1966-05-09 1968-01-16 Citroen Sa Andre Liquid fuel injection devices for free piston internal combustion engines

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205638A (en) * 1977-11-18 1980-06-03 Giovanni Vlacancinch Fluid power supply system
US5287827A (en) * 1991-09-17 1994-02-22 Tectonics Companies, Inc. Free piston engine control system
US5579728A (en) * 1994-10-06 1996-12-03 Advanced Thermodynamics Corporation Vehicle with combined cooling system and hydraulic system
US6029616A (en) * 1995-04-20 2000-02-29 Split Cycle Technology Limited Free piston engine
US20110110797A1 (en) * 2009-11-02 2011-05-12 Cho Michael Y System and method for water expulsion from underwater hydropower plant and hydropower plant associated therewith
US9127639B2 (en) 2009-11-02 2015-09-08 Michael Y. Cho System and method for water expulsion from underwater hydropower plant and hydropower plant associated therewith
US20120279473A1 (en) * 2010-01-27 2012-11-08 Robert Bosch Gmbh Fuel injection system with integrated high-pressure accumulator
US9068543B2 (en) * 2010-01-27 2015-06-30 Robert Bosch Gmbh Fuel injection system with integrated high-pressure accumulator
CN103423506A (zh) * 2012-05-22 2013-12-04 徐学新 一种多回转式液动阀门
CN103423506B (zh) * 2012-05-22 2015-09-23 徐学新 一种多回转式液动阀门
CN103644029B (zh) * 2012-09-21 2016-03-02 摩尔动力(北京)技术股份有限公司 内燃往复相循环发动机
CN103644029A (zh) * 2012-09-21 2014-03-19 摩尔动力(北京)技术股份有限公司 内燃往复相循环发动机
WO2014126499A1 (ru) * 2013-02-14 2014-08-21 Shadrin Dmitry Gennadievich Генератор
CN104929766A (zh) * 2014-03-21 2015-09-23 北京理工大学 一种液压自由活塞发动机
CN104929766B (zh) * 2014-03-21 2017-04-12 北京理工大学 一种液压自由活塞发动机
US20160376983A1 (en) * 2015-06-23 2016-12-29 Ricardo Daniel ALVARADO ESCOTO Highly efficient two-stroke internal combustion hydraulic engine with a torquing vane device incorporated.
CN105257502A (zh) * 2015-10-21 2016-01-20 绍兴泰克精工机电有限公司 一种加压防逆流型水泵
CN108799604A (zh) * 2018-06-29 2018-11-13 武汉大学 一种有机玻璃平板快速关闭阀门

Also Published As

Publication number Publication date
BR7207968D0 (pt) 1973-08-21
NL177846C (nl) 1985-12-02
FR2222902A5 (de) 1974-10-18
BE791450A (fr) 1973-03-16
CH569191A5 (de) 1975-11-14
FR2332436B1 (de) 1978-04-14
CH569211A5 (de) 1975-11-14
FR2217574A1 (de) 1974-09-06
CS185613B2 (en) 1978-10-31
CH569213A5 (de) 1975-11-14
CH569189A5 (de) 1975-11-14
NL177846B (nl) 1985-07-01
DE2256198A1 (de) 1973-05-24
JPS4861853A (de) 1973-08-29
IT1056731B (it) 1982-02-20
GB1406221A (en) 1975-09-17
SE392503B (sv) 1977-03-28
CH569183A5 (de) 1975-11-14
NL7215611A (de) 1973-05-22
FR2217568A1 (de) 1974-09-06
CH563524A5 (de) 1975-06-30
AR195203A1 (es) 1973-09-19
FR2160651A1 (de) 1973-06-29
FR2217611A1 (de) 1974-09-06
IN139163B (de) 1976-05-15
FR2160651B1 (de) 1976-07-23
FR2217529A1 (de) 1974-09-06
FR2332436A1 (fr) 1977-06-17
FR2217574B1 (de) 1978-07-21
FR2217568B1 (de) 1975-04-11
DE2256198C2 (de) 1985-09-26
CH569195A5 (de) 1975-11-14
FR2217529B1 (de) 1977-01-07
JPS5650105B2 (de) 1981-11-26

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