US2884915A - Control for fuel supply system - Google Patents

Control for fuel supply system Download PDF

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Publication number
US2884915A
US2884915A US618364A US61836456A US2884915A US 2884915 A US2884915 A US 2884915A US 618364 A US618364 A US 618364A US 61836456 A US61836456 A US 61836456A US 2884915 A US2884915 A US 2884915A
Authority
US
United States
Prior art keywords
inductor
primary
core
fuel
control
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
US618364A
Other languages
English (en)
Inventor
David C Breeding
Melvin C Bartz
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.)
Bendix Aviation Corp
Original Assignee
Bendix Aviation Corp
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 Bendix Aviation Corp filed Critical Bendix Aviation Corp
Priority to US618364A priority Critical patent/US2884915A/en
Priority to GB28245/57A priority patent/GB828027A/en
Priority to DEB46059A priority patent/DE1142728B/de
Priority to DE1957B0046271 priority patent/DE1114673C2/de
Priority to FR1185003D priority patent/FR1185003A/fr
Priority to FR750045A priority patent/FR73918E/fr
Priority to FR750044A priority patent/FR73363E/fr
Application granted granted Critical
Publication of US2884915A publication Critical patent/US2884915A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/08—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by electric or magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/32—Controlling fuel injection of the low pressure type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/32—Controlling fuel injection of the low pressure type
    • F02D41/36—Controlling fuel injection of the low pressure type with means for controlling distribution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
    • F02D2041/2072—Bridge circuits, i.e. the load being placed in the diagonal of a bridge to be controlled in both directions
    • 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
    • Y02T10/40—Engine management systems

Definitions

  • The: present invention relates. to a control. for fuel. sys
  • Figure 1' is a diagrammatic view of a control embodying our: invention
  • Eigure 2 is a" characteristic curve of certain operating relationship
  • Figure: 3 isa diagrammatic view. of fuel valvemounted inroperative. position inan. internal combustion engine.
  • Therprimary-circuit.10 includes a potentiometer R which variesthemagnitude or intensity ofthe power or magnetomotive force supplied to a primary inductor 16 which is wound on a relatively high retentivity core 18.
  • Primary inductor 16 is: connected. through? appropriate wiring harness to a plurality of segmental contacts 20. which are adapted to be successively engaged by a wiper arm- 22 which is connected to ground or reference potential at 24.
  • Arm. 22 is. mounted on a shaft 26 which is arranged to be rotated asa function of engine s can.
  • The: secondary circuit includes. a: secondary: inductor 28 wound on core 18 connected on one side to source of power E and on the other side to a transistor or power amplifier 30 through a base current limiting resistance R In some installations R may be omitted if desired.
  • Power amplifier 30 is connected to each of the solenoids 32 a, b, c, d, e, f, g and h respectively located in electrically actuable fuel control members designated 34 a, b, c, d, e, f, g and h.
  • the number of solenoids or fuel control members may conveniently correspond to the number of combustion chambers in "ice the engine to which thefuel supply system is adapted to? supply fuel.
  • Sole-- noids 32 a, b, c, d, e, f; g and Ii are respectively connected by appropriate wiring harness to'segmental con--- tacts designated 36' a, b; c, d, e; f, g and h which areadapted to be successively engaged by awiper arm 22" for connection to ground or reference potential at 24.
  • - Tra'nsistor' 30 is normally'cut off by voltage divider R R
  • the transistor or power amplifier 30 is rendered: conductive when a properly oriented voltage" pulse or a: voltage pulse of proper polarity is received v from secondary inductor 28';
  • the tertiary circuit 14 includes source of power E; a tertiary inductor 38 wound on core 18 and ⁇ resetcon-' tacts 40 which are adapted for actuation in timed relation' to wiper arm 22 for connecting tertiary inductor 38- to ground or reference potential at 42'.
  • The" primary circuit causes the core to become saturated in the opposite direction shown at
  • the time required for flurr in-core 18 to change from to +415, is-controlled bythe magnitude of the voltageor magnetomotive force in the primary inductor 16. It is also to-be” noted in Figure 2 that when wiper arm 22 breaks contact with a segment 20 and the" current is reduced to zerothat there i'ssubstantially no change in flux" and therefore noundesirable: surge of current in the inductor.
  • Figure 3 shows a nozzle or' fuel control member 34 installed inthe'induction passage 44' of an internalcom'-- bustion engine 46 having a-' combustion chamber 48;
  • fuel from the supply tank 50 isp1aced under: pressure by pump 52 and is delivered tothe member 34.
  • Fuel supplied to the member 34 in excess of the amount injected. into the engine is returned" to the: supply tankvia restricted conduit 54;
  • the voltage: supplied to primary inductors 16 is sufii'eienti to drive core 18' into saturation: The magnitude of the voltage supplied to primary inductors. 16 varies the time re'quired' for the flux to reach saturation in accordance with that following formula! Et: 2" RAM 10" Where:
  • control of our invention requires relatively few parts and may be assembled in a small, light weight package and is of such a nature as to be extremely rugged and reliable in operation.
  • the control with little or no adjustment, can be used with a variety of electrically actuable fuel members having a variety of electrical characteristics. While only one embodiment of our invention has been described it will be readily apparent to those skilled inthe art that various changes and arrangements can be made to obtainthe objects of the invention without departing fronrthe spirit thereof. ,-We claim:
  • Acontrolfor a fuel system having an electrically actuable fuel control member comprising: a primary inductor, a variable source of power, means for connecting saidsourcewith said primary inductor, a secondary inductor, coupled to said primary inductor, a power am plifier connected to said secondary inductor, and means connecting said amplifier to said member.
  • a control for a fuel system for an engine having anielectrically actuable fuel control member comprising: a primary inductor, a variable source of power, a circuit connecting said inductor to said source, means responsive to engine'speed for periodically opening and closing said circuit, a secondary inductor coupled to said primary-inductor, means for controlling the direction of induced current in said secondary inductor, a power amplifier, means connecting said secondary inductor to said amplifier, and means connecting saidamplifier to said member.
  • Y 3.'A control for a. fuel system having an electrically actuable fuel control member comprising: a core, primary, secondaryand tertiary inductors mounted on said core,,means forperiodically supplying a voltage to said primary inductor sufficient to saturate said core in one direction, means for periodically supplying a magnetornotive force to said tertiary inductors sufiicient to saturate said core in a direction opposite said one direction, means for amplifying the current in said secondary inductor, and means connecting said last mentioned means to said member.
  • a control for aifuel system having an electrically actuable fuel control member comprising: a core, primary, secondary and tertiary inductors mounted on said core, means for periodically supplying a voltage to said primary inductor suflicient to saturate said core in one direction, means for varying ,the magnitude of said force to vary the time required to saturate said core by said primary inductor, means for periodically supplying a magnetomotive force to said tertiary inductors suflicient to saturate said core in a direction opposite to said one direction, means for amplifying the current in said secondary inductor, and means connecting said last mentioned means to said member.
  • a control for a fuel system having a plurality of solenoid actuated valves comprising: a primary inductor, a. secondary inductor, means for inducing a current in said second inductor for a controllable time duration, means for orienting the direction of induced current, and means for successively connecting said secondary inductor to said solenoids.
  • a control for a fuel system having a plurality of solenoid actuated valves comprising: a primary inductor,
  • a secondary inductor means for inducing a current in said. second inductor for a controllable time duration, means for orienting the direction of induced current, a power amplifier connected to said secondary inductor, and means. for successively connecting said amplifier to said solenoids.
  • a control for a fuel supply system having an electrically actuable fuel control member comprising: a first circuit, a source of power, a primary'inductor in said circuit, means connecting said first circuit to said source,
  • a control for a fuel supply system having a plural-- ity of electrically actuable fuel valves comprising: a core, primary, secondary and tertiary inductors mounted on said core, primary, secondary and tertiary circuits respectively connected to said inductors, a source of power connected to each of said circuits, means for periodically opening and closingsaid primary circuit to saturate said tion, a normally non-conducting power amplifier in said tertiary circuit, said amplifier being rendered conductive by the voltage induced in said tertiary inductor by said primary inductor, means connecting said amplifier to said valves, and means for successively connecting said valve to a reference potential in timed relation to said first men tioned means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Magnetically Actuated Valves (AREA)
US618364A 1956-10-25 1956-10-25 Control for fuel supply system Expired - Lifetime US2884915A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US618364A US2884915A (en) 1956-10-25 1956-10-25 Control for fuel supply system
GB28245/57A GB828027A (en) 1956-10-25 1957-09-06 Improvements in a control for fuel supply system
DEB46059A DE1142728B (de) 1956-10-25 1957-09-13 Steuereinrichtung fuer elektromagnetisch betaetigte Einspritzventile an Brennkraftmaschinen
DE1957B0046271 DE1114673C2 (de) 1956-10-25 1957-10-02 Steuereinrichtung fuer elektromagnetisch betaetigte Einspritz-ventile an Brennkraftmaschinen
FR1185003D FR1185003A (fr) 1956-10-25 1957-10-22 Systèmes d'alimentation en combustible pour moteurs à combustion
FR750045A FR73918E (fr) 1956-10-25 1957-10-23 Systèmes d'alimentation en combustible pour moteurs à combustion
FR750044A FR73363E (fr) 1956-10-25 1957-10-23 Système d'alimentation en combustible pour moteurs à combustion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US618364A US2884915A (en) 1956-10-25 1956-10-25 Control for fuel supply system

Publications (1)

Publication Number Publication Date
US2884915A true US2884915A (en) 1959-05-05

Family

ID=24477396

Family Applications (1)

Application Number Title Priority Date Filing Date
US618364A Expired - Lifetime US2884915A (en) 1956-10-25 1956-10-25 Control for fuel supply system

Country Status (4)

Country Link
US (1) US2884915A (fr)
DE (2) DE1142728B (fr)
FR (2) FR1185003A (fr)
GB (1) GB828027A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121407B (de) * 1959-10-07 1962-01-04 Bosch Gmbh Robert Kraftstoffeinspritzanlage fuer Brennkraftmaschinen
DE1173727B (de) * 1959-07-18 1964-07-09 Bosch Gmbh Robert Elektrisch betaetigbare Kraftstoffeinspritzanlage fuer Brennkraftmaschinen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3724435A (en) * 1970-01-29 1973-04-03 Holley Carburetor Co Remote metering system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH198796A (fr) * 1936-04-18 1938-07-15 Aeroplani Caproni S A Procédé d'injection du combustible dans un moteur à combustion interne, et dispositif pour sa mise en oeuvre.
US2468917A (en) * 1944-09-28 1949-05-03 Thompson Prod Inc Control system
FR971274A (fr) * 1940-03-14 1951-01-15 Système d'injection à commande électro-mécanique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018159A (en) * 1934-06-20 1935-10-22 Walker Brooks Electrical fuel injection system for internal combustion engines
DE727707C (de) * 1937-09-18 1942-11-10 Der Kohlenwertstoff Verbaende Verfahren zur Erzielung einer drehzahlunabhaengigen OEffnungszeit bei elektromagnetisch betaetigten Treibstoff-Einspritzventilen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH198796A (fr) * 1936-04-18 1938-07-15 Aeroplani Caproni S A Procédé d'injection du combustible dans un moteur à combustion interne, et dispositif pour sa mise en oeuvre.
FR971274A (fr) * 1940-03-14 1951-01-15 Système d'injection à commande électro-mécanique
US2468917A (en) * 1944-09-28 1949-05-03 Thompson Prod Inc Control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1173727B (de) * 1959-07-18 1964-07-09 Bosch Gmbh Robert Elektrisch betaetigbare Kraftstoffeinspritzanlage fuer Brennkraftmaschinen
DE1121407B (de) * 1959-10-07 1962-01-04 Bosch Gmbh Robert Kraftstoffeinspritzanlage fuer Brennkraftmaschinen

Also Published As

Publication number Publication date
FR1185003A (fr) 1959-07-29
FR73363E (fr) 1960-06-27
DE1114673C2 (de) 1962-04-19
DE1114673B (de) 1961-10-05
DE1142728B (de) 1963-01-24
GB828027A (en) 1960-02-10

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