ES394470A2 - Electrical apparatus for initiating combustion in free piston engines - Google Patents

Electrical apparatus for initiating combustion in free piston engines

Info

Publication number
ES394470A2
ES394470A2 ES394470A ES394470A ES394470A2 ES 394470 A2 ES394470 A2 ES 394470A2 ES 394470 A ES394470 A ES 394470A ES 394470 A ES394470 A ES 394470A ES 394470 A2 ES394470 A2 ES 394470A2
Authority
ES
Spain
Prior art keywords
piston
power
velocity
combustion
electrical
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
Application number
ES394470A
Other languages
Spanish (es)
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
Publication of ES394470A2 publication Critical patent/ES394470A2/en
Expired legal-status Critical Current

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
    • 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
    • F02B71/02—Starting
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/001—Ignition installations adapted to specific engine types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/001—Ignition installations adapted to specific engine types
    • F02P15/005—Layout of ignition circuits for rotary- or oscillating piston engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P3/00—Other installations
    • F02P3/06—Other installations having capacitive energy storage
    • F02P3/08—Layout of circuits
    • F02P3/0876—Layout of circuits the storage capacitor being charged by means of an energy converter (DC-DC converter) or of an intermediate storage inductance
    • F02P3/0884—Closing the discharge circuit of the storage capacitor with semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

Electrical apparatus is disclosed for initiating and controlling combustion in free piston engines having a power piston freely reciprocating within a power cylinder of the engine and alternately expanding and compressing gases in a combustion chamber within the power cylinder. A velocity probe in the form of a magnet arranged to move with the power piston and a sensing coil fixed to the housing of the free piston engine provides an electrical signal indicating the instantaneous value of the velocity of the power piston of the free piston engine. This electrical signal from the velocity probe is applied to a Schmitt trigger through a suitable electrical connection such as a voltage divider network or preferably a resistor-capacitor and diode network, and the Schmitt trigger provides an electrical timing signal to conventional means for initiating successive combustion power strokes within the engine. Using the electrical apparatus of the present invention, combustion is initiated for each power stroke at a point in time related to the velocity of the power piston, and thus to the time at which the power piston reverses direction, without the necessity of regard to the physical position, i.e., linear location, of the power piston along its path of movement within the power cylinder. Specifically, the Schmitt trigger is set in one condition when the piston velocity increases to a predetermined level as the piston accelerates during the first part of its movement toward a firing position. Then, as the piston slows down while approaching its reversal for the start of the power stroke, the decrease in piston velocity to a predetermined level sets the Schmitt trigger in another condition to cause a spark igniting another combustion initiating action. Additional electrical circuitry is included which may be used to aid in starting free piston engines.
ES394470A 1970-08-24 1971-08-24 Electrical apparatus for initiating combustion in free piston engines Expired ES394470A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6621570A 1970-08-24 1970-08-24

Publications (1)

Publication Number Publication Date
ES394470A2 true ES394470A2 (en) 1976-11-16

Family

ID=22068038

Family Applications (1)

Application Number Title Priority Date Filing Date
ES394470A Expired ES394470A2 (en) 1970-08-24 1971-08-24 Electrical apparatus for initiating combustion in free piston engines

Country Status (13)

Country Link
US (1) US3673999A (en)
AU (1) AU461892B2 (en)
BE (1) BE771550R (en)
BR (1) BR7105493D0 (en)
CA (1) CA930791A (en)
CH (1) CH529922A (en)
CS (1) CS164891B2 (en)
ES (1) ES394470A2 (en)
FR (1) FR2102376B2 (en)
GB (1) GB1357957A (en)
NL (1) NL7111552A (en)
SE (1) SE384904B (en)
ZA (1) ZA714718B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943897A (en) * 1974-10-02 1976-03-16 Frank Kenneth Luteran Ignition system for rotary piston engine
GB2219671B (en) * 1988-04-26 1993-01-13 Joseph Frank Kos Computer controlled optimized hybrid engine
US5287827A (en) * 1991-09-17 1994-02-22 Tectonics Companies, Inc. Free piston engine control system
US5678522A (en) * 1996-07-12 1997-10-21 Han; William Free piston internal combustion engine
CN101782038B (en) * 2009-12-07 2011-08-24 重庆邮电大学 Pulse separating circuit for motorcycle igniter
US9343931B2 (en) 2012-04-06 2016-05-17 David Deak Electrical generator with rotational gaussian surface magnet and stationary coil
WO2014172382A1 (en) * 2013-04-16 2014-10-23 Regents Of The University Of Minnesota Systems and methods for transient control of a free-piston engine
US9673683B2 (en) * 2014-11-07 2017-06-06 David Deak, SR. Reciprocating magnet electrical generator
MX2020003028A (en) 2017-09-20 2020-11-06 Mainspring Energy Inc Auto-braking for an electromagnetic machine.
US10554099B2 (en) * 2017-09-20 2020-02-04 Etagen, Inc. DC-DC converter in a non-steady system
CN111819770B (en) 2017-10-30 2023-09-19 威能科技有限责任公司 Magnetic momentum transfer type generator
US11368079B2 (en) 2019-11-06 2022-06-21 David Deak, SR. Offset triggered cantilever actuated generator
CN115053437A (en) 2019-11-21 2022-09-13 威能科技有限责任公司 Tangentially actuated magnetic flux transfer generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331986A (en) * 1964-11-16 1967-07-18 Eltra Corp Contactless ignition system
US3375812A (en) * 1964-12-10 1968-04-02 Mitsubishi Electric Corp Ignition device for internal combustion engine
US3316448A (en) * 1965-10-15 1967-04-25 Eltra Corp Contactless ignition system
US3446197A (en) * 1965-10-22 1969-05-27 Battelle Development Corp Ignition system for free-piston engine
US3390668A (en) * 1966-04-13 1968-07-02 Motorola Inc Electronic ignition system
US3496921A (en) * 1968-08-01 1970-02-24 Ford Motor Co Capacitive storage ignition system

Also Published As

Publication number Publication date
FR2102376A2 (en) 1972-04-07
CS164891B2 (en) 1975-11-28
CA930791A (en) 1973-07-24
AU3259371A (en) 1973-02-22
BR7105493D0 (en) 1973-06-07
ZA714718B (en) 1973-02-28
CH529922A (en) 1972-10-31
DE2142208A1 (en) 1972-03-02
SE384904B (en) 1976-05-24
AU461892B2 (en) 1975-06-12
NL7111552A (en) 1972-02-28
GB1357957A (en) 1974-06-26
BE771550R (en) 1971-12-31
DE2142208B2 (en) 1975-10-23
US3673999A (en) 1972-07-04
FR2102376B2 (en) 1973-06-29

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