GB2437742B - Free piston engine - Google Patents

Free piston engine

Info

Publication number
GB2437742B
GB2437742B GB0608559A GB0608559A GB2437742B GB 2437742 B GB2437742 B GB 2437742B GB 0608559 A GB0608559 A GB 0608559A GB 0608559 A GB0608559 A GB 0608559A GB 2437742 B GB2437742 B GB 2437742B
Authority
GB
United Kingdom
Prior art keywords
piston engine
free piston
free
engine
piston
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 - Fee Related
Application number
GB0608559A
Other versions
GB2437742A (en
GB0608559D0 (en
Inventor
Nigel Paul Schofield
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.)
Edwards Ltd
Original Assignee
BOC Group Ltd
Edwards 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 BOC Group Ltd, Edwards Ltd filed Critical BOC Group Ltd
Priority to GB0608559A priority Critical patent/GB2437742B/en
Publication of GB0608559D0 publication Critical patent/GB0608559D0/en
Publication of GB2437742A publication Critical patent/GB2437742A/en
Application granted granted Critical
Publication of GB2437742B publication Critical patent/GB2437742B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/10—Pistons  having surface coverings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/02—Bearing surfaces
    • 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
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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
    • F02B2201/00—Fuels
    • F02B2201/04—Gas
    • 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
    • F02B2710/00—Gas engines
    • F02B2710/03—Two stroke engines
    • F02B2710/036—Scavenging or charging channels or openings
    • 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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/041—Linear electric generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
GB0608559A 2006-05-02 2006-05-02 Free piston engine Expired - Fee Related GB2437742B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0608559A GB2437742B (en) 2006-05-02 2006-05-02 Free piston engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0608559A GB2437742B (en) 2006-05-02 2006-05-02 Free piston engine

Publications (3)

Publication Number Publication Date
GB0608559D0 GB0608559D0 (en) 2006-06-07
GB2437742A GB2437742A (en) 2007-11-07
GB2437742B true GB2437742B (en) 2011-03-09

Family

ID=36590093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0608559A Expired - Fee Related GB2437742B (en) 2006-05-02 2006-05-02 Free piston engine

Country Status (1)

Country Link
GB (1) GB2437742B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102418597A (en) * 2011-06-29 2012-04-18 李衡国 Small-size light-weight linear generator system possessing double-stroke free piston motor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2769919C (en) 2009-08-04 2017-10-24 Depiak Industrial Technology Corporation Fluid driven reciprocating linear motor
WO2012010208A1 (en) 2010-07-22 2012-01-26 Lachezar Lazarov Petkanchin Electric power generator and motor assembly equipped therewith
CN102720586B (en) * 2011-06-10 2017-09-15 摩尔动力(北京)技术股份有限公司 Without shock free-piston burst emission engine
KR101273687B1 (en) * 2011-06-29 2013-06-12 이형국 Small and light linear generator system having two cycle free-piston engine
CN109488471B (en) * 2018-12-20 2021-09-03 南京理工大学 Method for controlling stable operation process of free piston engine
CN109653869B (en) * 2019-01-25 2020-11-13 南京理工大学 Two-stroke free piston power generation system and power generation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050360A (en) * 1975-09-19 1977-09-27 Caterpillar Tractor Co. Oil damped piston
US4415313A (en) * 1980-08-05 1983-11-15 Regie Nationale Des Usines Renault Hydraulic generator with free-piston engine
US6216647B1 (en) * 1999-02-22 2001-04-17 Caterpillar Inc. Free piston internal combustion engine with piston head having non-metallic bearing surface
EP1288464A2 (en) * 2001-08-30 2003-03-05 Caterpillar Inc. Piston assembly for free piston internal combustion engine
US6904876B1 (en) * 2004-06-28 2005-06-14 Ford Global Technologies, Llc Sodium cooled pistons for a free piston engine
GB2415747A (en) * 2004-06-28 2006-01-04 Ford Global Tech Llc Free piston engine scavenging
US20060060164A1 (en) * 2004-09-20 2006-03-23 Gerfast Sten R Internal combustion engine without oil

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050360A (en) * 1975-09-19 1977-09-27 Caterpillar Tractor Co. Oil damped piston
US4415313A (en) * 1980-08-05 1983-11-15 Regie Nationale Des Usines Renault Hydraulic generator with free-piston engine
US6216647B1 (en) * 1999-02-22 2001-04-17 Caterpillar Inc. Free piston internal combustion engine with piston head having non-metallic bearing surface
EP1288464A2 (en) * 2001-08-30 2003-03-05 Caterpillar Inc. Piston assembly for free piston internal combustion engine
US6904876B1 (en) * 2004-06-28 2005-06-14 Ford Global Technologies, Llc Sodium cooled pistons for a free piston engine
GB2415747A (en) * 2004-06-28 2006-01-04 Ford Global Tech Llc Free piston engine scavenging
US20060060164A1 (en) * 2004-09-20 2006-03-23 Gerfast Sten R Internal combustion engine without oil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102418597A (en) * 2011-06-29 2012-04-18 李衡国 Small-size light-weight linear generator system possessing double-stroke free piston motor

Also Published As

Publication number Publication date
GB2437742A (en) 2007-11-07
GB0608559D0 (en) 2006-06-07

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: EDWARDS LIMITED

Free format text: FORMER APPLICANT(S): BOC GROUP, THE PLC

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210502