US2963008A - Free piston engine - Google Patents

Free piston engine Download PDF

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Publication number
US2963008A
US2963008A US737273A US73727358A US2963008A US 2963008 A US2963008 A US 2963008A US 737273 A US737273 A US 737273A US 73727358 A US73727358 A US 73727358A US 2963008 A US2963008 A US 2963008A
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US
United States
Prior art keywords
casing
end
cylinder
piston
cylinders
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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
US737273A
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English (en)
Inventor
James J Waldrop
Original Assignee
James J Waldrop
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Publication date
Application filed by James J Waldrop filed Critical James J Waldrop
Priority to US737273A priority Critical patent/US2963008A/en
Application granted granted Critical
Publication of US2963008A publication Critical patent/US2963008A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • 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
US737273A 1958-05-23 1958-05-23 Free piston engine Expired - Lifetime US2963008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US737273A US2963008A (en) 1958-05-23 1958-05-23 Free piston engine

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Application Number Priority Date Filing Date Title
US737273A US2963008A (en) 1958-05-23 1958-05-23 Free piston engine

Publications (1)

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US2963008A true US2963008A (en) 1960-12-06

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US737273A Expired - Lifetime US2963008A (en) 1958-05-23 1958-05-23 Free piston engine

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362277A1 (fr) * 1976-07-03 1978-03-17 Bock Rudolf Machine a pistons libres
US4112683A (en) * 1977-06-20 1978-09-12 Leon Bess Controlled pulse turbine engine
US4185597A (en) * 1978-03-06 1980-01-29 Cinquegrani Vincent J Self-supercharging dual piston engine apparatus
US4414927A (en) * 1982-04-16 1983-11-15 Istvan Simon Two stroke oscillating piston engine
US4831972A (en) * 1988-05-04 1989-05-23 Barnwell Edward A Internal combustion engine
US6199519B1 (en) 1998-06-25 2001-03-13 Sandia Corporation Free-piston engine
US8127544B2 (en) 2010-11-03 2012-03-06 Paul Albert Schwiesow Two-stroke HCCI compound free-piston/gas-turbine engine
US20130118453A1 (en) * 2010-05-19 2013-05-16 Rikard Mikalsen Free-piston internal combustion engine
US20130333368A1 (en) * 2012-06-18 2013-12-19 Regents Of The University Of Minnesota System and method for the production of compressed fluids
US9169772B2 (en) 2013-03-27 2015-10-27 Differential Dynamics Corporation One-stroke internal combustion engine
US20160138499A1 (en) * 2011-05-16 2016-05-19 Achates Power, Inc. Egr for a two-stroke cycle engine without a supercharger
US9951725B2 (en) 2010-05-18 2018-04-24 Achates Power, Inc. EGR constructions for opposed-piston engines

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1036288A (en) * 1911-03-06 1912-08-20 Giuseppe Matricardi Gaseous-power generator.
US1741731A (en) * 1925-08-19 1929-12-31 Nordensson Tom Knut Arfved Compressor driven by internal-combustion engines
US1904854A (en) * 1930-05-12 1933-04-18 Clark Bros Co Double acting internal combustion engine
US2355177A (en) * 1941-11-04 1944-08-08 Soc Es Energie Sa Regulation of free piston turbo-generator systems
US2452193A (en) * 1944-11-18 1948-10-26 Raul Pateras Pescara Free piston engine compressed air accumulator, variable volume
US2503152A (en) * 1946-07-03 1950-04-04 Ekblom Uno Free piston pump engine
US2526384A (en) * 1939-02-01 1950-10-17 Moore Inc Machine having free pistons and cylinders without mechanical connecting-rod-crank couplings

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1036288A (en) * 1911-03-06 1912-08-20 Giuseppe Matricardi Gaseous-power generator.
US1741731A (en) * 1925-08-19 1929-12-31 Nordensson Tom Knut Arfved Compressor driven by internal-combustion engines
US1904854A (en) * 1930-05-12 1933-04-18 Clark Bros Co Double acting internal combustion engine
US2526384A (en) * 1939-02-01 1950-10-17 Moore Inc Machine having free pistons and cylinders without mechanical connecting-rod-crank couplings
US2355177A (en) * 1941-11-04 1944-08-08 Soc Es Energie Sa Regulation of free piston turbo-generator systems
US2452193A (en) * 1944-11-18 1948-10-26 Raul Pateras Pescara Free piston engine compressed air accumulator, variable volume
US2503152A (en) * 1946-07-03 1950-04-04 Ekblom Uno Free piston pump engine

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362277A1 (fr) * 1976-07-03 1978-03-17 Bock Rudolf Machine a pistons libres
US4128083A (en) * 1976-07-03 1978-12-05 Rudolf Bock Gas cushioned free piston type engine
US4112683A (en) * 1977-06-20 1978-09-12 Leon Bess Controlled pulse turbine engine
US4185597A (en) * 1978-03-06 1980-01-29 Cinquegrani Vincent J Self-supercharging dual piston engine apparatus
US4414927A (en) * 1982-04-16 1983-11-15 Istvan Simon Two stroke oscillating piston engine
US4831972A (en) * 1988-05-04 1989-05-23 Barnwell Edward A Internal combustion engine
US6199519B1 (en) 1998-06-25 2001-03-13 Sandia Corporation Free-piston engine
US9951725B2 (en) 2010-05-18 2018-04-24 Achates Power, Inc. EGR constructions for opposed-piston engines
US20130118453A1 (en) * 2010-05-19 2013-05-16 Rikard Mikalsen Free-piston internal combustion engine
US9032918B2 (en) * 2010-05-19 2015-05-19 University Of Newcastle Upon Tyne Free-piston internal combustion engine
US8127544B2 (en) 2010-11-03 2012-03-06 Paul Albert Schwiesow Two-stroke HCCI compound free-piston/gas-turbine engine
US20160138499A1 (en) * 2011-05-16 2016-05-19 Achates Power, Inc. Egr for a two-stroke cycle engine without a supercharger
US9869258B2 (en) * 2011-05-16 2018-01-16 Achates Power, Inc. EGR for a two-stroke cycle engine without a supercharger
US20130333368A1 (en) * 2012-06-18 2013-12-19 Regents Of The University Of Minnesota System and method for the production of compressed fluids
US9169772B2 (en) 2013-03-27 2015-10-27 Differential Dynamics Corporation One-stroke internal combustion engine

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