Class 290/38A - Axially movable armatures

Subclass of Class 290 - Prime-mover dynamo plants
No. of patents: 40
Last issue date: 09/04/2012

Number	Title	Issue Date
8258639	Two-phase contactor for starting device for internal combustion engine A starting device for an internal combustion engine, especially that of a motor vehicle, comprises: a stator, or inductor, comprising an inductor coil (5), said inductor coil comprising at least first (43), second (	09/04/2012
7368827	Electrical assembly for monitoring conditions in a combustion turbine operating environment An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con...	05/06/2008
7049708	Mobile electrical power source A portable power source (10) includes a housing (12), a stator component (20), a rotor component (18), a crank assembly (14), and a control system (24). The stator component (20) is secured to the housing (12),...	05/23/2006
6969923	Engine start control device, engine start control method and recording medium having program recorded thereon for implementing engine start control method An engine start system includes a starter starting an engine, a starter drive relay controlling the starter and an engine ECU connected to a starter switch for controlling on/off of the starter drive relay based on a predetermined start condition. The engine start s...	11/29/2005
6965172	Starter for cranking internal combustion engine A starter for cranking an internal combustion engine is mainly composed of an electric motor and a magnetic switch having a battery bolt connected to an on-board battery and a motor bolt connected to the electric motor. When the magnetic switch is closed, electric p...	11/15/2005
6516767	Method for gradually driving a motor vehicle starter switch The invention relates to a method for energising a coil for driving a moving contactor core of an electric starter for a motor vehicle, in which the effective current is varied in the coil during displacement of the core to its contact position, and in wh...	02/11/2003
6333567	Starter To secure sufficient attractive force against a plunger, an overrunning clutch is arranged so that one end of a thrust spline is positioned so as to maintain a prescribed interval from the end of the plunger in the condition where the plunger is unexcited...	12/25/2001
6323562	Circuit for a latching relay A circuit arrangement for an engagement relay of a starter mechanism of an internal combustion engine, for bringing two gearwheels in engagement, the circuit arrangement having a switching element which reduces a relay current after a first time period be...	11/27/2001
6222293	Starter A starter comprises a fixing member which has a cylindrical portion and rotation stoppers on the outer wall of the cylindrical portion and is fixed to a bracket so that its movement in a circumferential direction is limited by the rotation stoppers, a mat...	04/24/2001
6222294	Combinations of solenoids and motors In a preferred embodiment, an actuator, including: a shaft (34); a solenoid (24), having a coil (40) and a core (42), disposed at a first selected position on the shaft, with the core being fixedly attached to the shaft such that energization of the coil ...	04/24/2001
6169333	Starter motor drive stop In one embodiment of the present invention, a method for forming a starter motor drive stop includes the steps of forming a splined portion in a starter motor output shaft and forming at least one stop surface. Preferably, the stop surfaces are located in...	01/02/2001
6114772	Starter having pinion rotation restricting member and plunger movement restricting member In a starter, a plate that turns with a pinion moving body is disposed behind the pinion moving body. The plate has a receiving part that engages with the lower extension of a rotation restricting member for restricting the rotation of the pinion moving b...	09/05/2000
6089112	Method and apparatus for starting an engine A starter assembly for starting an engine is provided incorporating a mechanical diode in the drive train between the starter motor and the engine, including two coaxial plates with facing surfaces that are linked by pivoting members. The pivoting members...	07/18/2000
6073598	Starting device for an internal combustion engine A starting device for an internal combustion engine is described comprising a rotating electric machine the rotor of which is axially translatable with respect to the stator between a rest position and a working position. The rotor is fixed to a transmiss...	06/13/2000
6060803	Starter with multiple lever springs A starter comprising: a motor 24, a clutch 21, which is connected to the motor 24; a pinion gear 22, which is connected to the clutch 21 and engages and disengages with the ring gear of the engine; an electromagnetic switch 2, which switches on and off an...	05/09/2000
6020650	Electromagnetic switch having variable magnetic resistance In an electromagnetic switch for a starter, a plunger is housed to face a grounding plate through an air gap in the inner circumference of an attraction coil. When the attraction coil is energized and magnetic flux flows in the magnetic circuit, the plung...	02/01/2000
5945742	Starter having a pinion movement control structure A starter has a motor, output shaft driven by the motor, a pinion moving body mounted on the output shaft and engageable with a ring gear, an electromagnet switch, and a rotation restricting member driven by the electromagnet switch to engage and restrict...	08/31/1999
5909067	Motor vehicle starter contactor incorporating an auxiliary control relay A contactor for a motor vehicle starter comprises a contactor coil, a movable contactor core actuated by a control rod, and a fixed contactor core. It also has an electromagnetic auxiliary control relay which includes a movable relay core carrying a movab...	06/01/1999
5905309	Starter with shock absorbing device In a starter having a planetary gear reduction mechanism and a shock absorbing device, a first friction plate of the shock absorbing device is engaged with an internal gear of the reduction mechanism to restrict the internal gear from rotating. A space is...	05/18/1999
5905310	Starter with shock absorbing device In a starter, a planetary gear reduction mechanism has pins supporting planetary gears and directly fitted into an outer member of a one-way clutch. The outer member rotates with the revolution of the planetary gear. An internal gear engaged with the plan...	05/18/1999
5901604	Coaxial engine starter In an engine starter including a solenoid device for actuating a switch for the electric motor and to drive the pinion into mesh with the ring gear of an internal combustion engine, the solenoid device includes an armature outer member which moves in the ...	05/11/1999
5877575	Starter for an internal combustion engine In a starter for an internal combustion engine, comprising: a pinion; shift mechanism for moving the pinion into mesh with a ring gear of the engine; a housing for accommodating the pinion and the shift mechanism; an electric motor for rotating the pinion...	03/02/1999
5847471	Starter having plurality of mounting angles A starter in which a flange member is mounted to the starter body in accordance with the mounting conditions of the engine. An output shaft is disposed coaxially with the rotating shaft of the motor, and a front housing of the overhang type is used. Chang...	12/08/1998
5777393	Starter with pinion retreat preventing structure A retreat restricting member for restricting the retreat of a pinion in an advanced state of the pinion on an output shaft and in a resulting meshed state of a pinion gear with a ring gear is engaged with a pair of pins rotatably, the pins being each atta...	07/07/1998
5627419	Self-adjusting airgap motor/generator for flywheel system A flywheel system having permanent magnets 20 disposed on a flywheel 10 rotating about a shaft 12 is provided with a stator 28 having an outer diameter which is oriented concentrically and shaped conically within a similarly shaped inner diameter of the f...	05/06/1997
5610466	Starter for starting an engine A starter which optimally maintains the characteristics of a spring which presses a brush and reduces its axial direction length. A compressed coil spring is arranged around an outer circumference of a plunger of a magnet switch and the length of the spri...	03/11/1997
5390555	Coaxial starting motor A coaxial starting motor comprises a d.c. motor whose armature has a hollow rotary shaft projected at its end forwardly, and which has a rear end provided with an electromagnetic switch which is arranged to be coaxial therewith, and which has a movable co...	02/21/1995
5332926	Starter motor electromagnetic switch A guide hole 16b is formed in the insulation cap 16 of a starter motor electromagnetic switch, and a coil terminal 30 inserted through the guide hole has one or more projections 30b formed at a location corresponding to the guide hole so that the projecti...	07/26/1994
5196727	Coaxial engine starter A coaxial engine starter comprises an electric motor having an armature winding of a single turn and a hollow armature rotary shaft for generating a rotational force for starting an engine. The starter also comprises an over-running clutch mechanism dispo...	03/23/1993
5179864	Starter having a contaminant-proof struture of a sliding portion A contaminant proof structure for a starter for an engine, with the starter including a sliding portion between a sliding member and a support member supporting the sliding member disposed in a housing so that the sliding member can project into the outsi...	01/19/1993
5023466	Coaxial starter A coaxial starter comprising an electric motor which produces torque; a speed reduction planet gear mechanism which transmits the rotation of the armature shaft of the motor so that the rotational speed of the output portion of the mechanism is lower than...	06/11/1991
4551630	Electric starting system An electric starting system for cranking an internal combustion engine that utilizes a starter having a solenoid that is provided with pull-in and hold-in coils. The solenoid includes a plunger which when shifted operates solenoid switch contacts and shif...	11/05/1985
4525632	Starter motor for an internal combustion engine A reduction gear type D.C. starter motor for an internal combustion engine including a planetary type reduction gear system mounted in a front bracket at a faucet joint portion between it and a rear bracket, the rear bracket and the yoke being integrally ...	06/25/1985
4506162	Starter for an internal combustion engine To permit manufacture of starter components with substantial tolerance, while maintaining the axial play of the armature of the starter within tight tolerances, and permit adjustment of the tolerance of the axial play after assembly of the starter compone...	03/19/1985
4506163	Starter motor housing A starter motor housing comprising a tubular housing formed by an annular wall having a thickened wall portion adjacent the stator winding of the starter motor. The stator cores abut against and are secured to the inner periphery of the thickened wall por...	03/19/1985
4502431	Pre-combustion engine lubrication system An internal combustion engine is provided with an oil pumping system operatively driven from the starter motor which generates normal operating oil pressure prior to combustion. The starter motor is energized with a first, lower level of electrical energy...	03/05/1985
4488054	Starter apparatus A starter apparatus comprises a D.C. motor, a solenoid actuator, a hollow sleeve having at one end thereof a pinion and a one way clutch. A torque of an armature of the D.C. motor is transmitted through the one way clutch to the hollow sleeve and further ...	12/11/1984
4464576	Engine starter drive A starter drive for internal combustion engines. The starter drive is mounted within the starter housing and connected to the motor driven shaft. The shaft has a screw thread formed thereon near the armature of the starter and a cylindrical end portion. A...	08/07/1984
4455490	Starting apparatus for internal combustion engines An apparatus combination for improving the starting mode of a starter for an internal combustion engine is disclosed. The combination comprises a supporting means effective to support the starting motor armature, both for rotary movement about an axis wit...	06/19/1984
4350236	Electromagnetic clutch assembly A clutch assembly for use in a high speed starter motor/turbine assembly wherein the elements thereof must be extremely well balanced. Opposing clutch elements are unitary rigid structures without moving parts. The starter motor rotor and one of the clutc...	09/21/1982

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Class 290/38A - Axially movable armatures