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8123012 |
Rotational coupling device with wear compensation structure
A rotational coupling device for use as a clutch, a brake, or a combination clutch and brake is provided having structure to compensate for wear on braking surfaces. The device includes an armature...
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8109041 |
Powered device for vehicle sliding member
A powered device for a vehicle sliding member includes a base member, a shaft rotatably supported on the base member, a drive source, a speed reduction mechanism, an output drum rotatably supported...
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7975818 |
Rotational coupling device
A rotational coupling device for use as a clutch and/or brake is provided having improved magnetic efficiency and structural integrity. An electrical conduction assembly is disposed within a field...
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7839252 |
Spool, brake and electric motor
A spool includes at least one bobbin and one winding wire, e.g., a winding wire lacquered for electrical insulation, the bobbin including at least one channel, e.g., one arranged as a pocket, at...
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7805887 |
Open/close member driving apparatus
A clutch mechanism and a worm wheel are disposed in such a manner as to be aligned or superposed on each other via a base plate held therebetween. A circular swollen portion is formed on the base...
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7798302 |
Electromagnetic clutch
In this electromagnetic clutch, a compressive force is generated in a plate spring when an armature plate is contact with a first rotor. Therefore, a force in the direction away from the first...
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7757830 |
Dual armature device for transmitting the movement to fans for cooling the engine of motor vehicles
A multi-speed drive for a motor cooling fan mounted on a driveshaft has provided a first electromagnetic clutch containing one electromagnet, and first and second armatures. When no current is...
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7753173 |
Power divider for motor vehicles and lubrication thereof
A power divider for motor vehicles includes a housing, a primary shaft and a secondary shaft, wherein a friction clutch having an outer part that is rigidly connected to the primary shaft, and an...
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7721863 |
Electromagnetic clutch for compressor
When an armature plate is attracted to a rotor so that the turning force of the rotor is transmitted to the armature plate, the turning force of the armature plate is transmitted to a main shaft...
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7694791 |
Driving force transmitting apparatus
A driving force transmitting apparatus includes: a first torque-transmitting member having a cylindrical portion and provided with a spline tooth; a second torque-transmitting member positioned...
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7591254 |
Supercharger control system
A supercharger control system is installed at the bottom front end of the engine, directly onto the crankshaft. An accessory drive belt around the accessory belt pulley rotates continuously to keep...
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7520373 |
Electromagnetic friction clutch
An electromagnetic friction clutch has at least two clutch parts that are mounted so as to be rotatable relative to each other and movable toward and away from each other and that touch each other...
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7516826 |
Electro-slip clutch
An electro-slip clutch may include a friction stack for receiving input rotation from an input shaft and a surrounding hub and for attaching to an output member. A bearing surface may be provided...
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7493996 |
Rotational coupling device
A rotational coupling device for use as a clutch and/or brake is provided having improved magnetic efficiency and structural integrity. A field shell and a rotor of the device each define radially...
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7472778 |
Device for transmitting the movement to fans, in particular of vehicles
A device for transmitting the movement to a fan for cooling the cooling fluid in a motor vehicle, mounted, by means of an idle support, on an axis parallel to the longitudinal axis (X-X) of the...
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7467701 |
Multiple-stage magnetic clutch coil
An electromagnetic clutch includes an armature plate connected to a shaft and being movable axially with respect to the shaft, a rotor being rotatable relative to the shaft, and a plurality of...
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7367439 |
Electromagnetic clutch with elastic member easily melted
The electromagnetic clutch comprises a rotor connected to a drive source, an inner hub connected to a device that follows, an outer plate provided on the outside of the inner hub so as to enclose...
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7331438 |
Solenoid clutch coupling
To prevent coupling breakage between an elastic body and an outer ring due to friction heat of an armature and a rotor, an solenoid clutch coupling is provided with an elastic body (3) elastically...
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7311188 |
Electromagnetic clutch
An electromagnetic clutch for separably coupling a drive source and a rotary shaft has a rotor to be disposed in the outside of the rotary shaft concentrically therewith. The rotor is rotated by a...
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7275629 |
Driving apparatus for a movable member of an automobile
A driving apparatus for a movable member of an automobile comprises a housing, a drum for driving the movable member, the drum being rotatably supported on the housing, and a clutch for selectively...
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7213695 |
Electromagnetic clutch
An electromagnetic clutch 1 has a construction in which an armature 5 and a plate 7 sandwich an elastic member 9 between them. A spring portion 7d is formed in the plate 7 and an elastic member 9a...
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7178653 |
Electromagnetic clutch
In an electromagnetic clutch, an electromagnetic coil is energized to couple a rotor and an armature plate to each other. Each leaf spring extends in a direction so as to intersect at an obtuse...
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7090063 |
Electromagnetic clutch
An electromagnetic clutch capable of reducing attracting noise generated when an armature plate is attracted to the friction surface of a rotor, wherein the thickness of the projected part (32) of...
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7044024 |
Apparatus and method for servo control of an aircraft
Autopilot control of an aircraft is accomplished using a servo wherein the input shaft and output shaft are collinear. In one embodiment, the output shaft is supported, in part, by the input shaft....
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7025187 |
Electromagnetic clutch assembly
An electromagnetic clutch assembly of the leaf spring type has leaf springs the inner ends of which are fixed to a drive plate by conventional rivets, and the outer ends of which are fixed to the...
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6837355 |
Clutch including spun rotor having hardened depressions
In an electromagnetic clutch having drive and driven side clutch plates in which the drive side clutch plate is provided with a plurality of elongated holes circumferentially arranged at given...
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6823974 |
Electromagnetic clutch
An electromagnetic clutch reduces clutch operating noise at a low cost by utilizing elastic members which are suited to a spring force of a leaf spring. An approximate nonagonal leaf spring has an...
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6817459 |
Direct method of terminating the ground coil terminal to coil housing
The subject invention improves the electrical connection in a clutch assembly for engaging a compressor in a vehicle air conditioning system. In accordance with the subject invention, a tab extends...
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6811009 |
Magnet type fan clutch apparatus
A magnet type fan clutch apparatus is formed of an electromagnetic clutch mounted on one driving shaft, and a magnet coupling operatively connected to the electromagnetic clutch. The magnetic...
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6786316 |
Electro-magnetic clutch pulley
A clutch pulley for selectively engaging a belt of a first device and a shaft of a second device, including a sheave member, an electromagnetic coil, a flex plate, and a ring member. The sheave...
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6622843 |
Electromagnetic clutch
In an electromagnetic clutch, a rotor, an armature and a stator housing including an electromagnetic coil are assembled to a center hub through a bearing member. Therefore, by assembling the center...
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6615968 |
Ball bearing assembly electromagnetic clutch having ball bearing assembly and gas compressor utilizing electromagnetic clutch
An electromagnetic clutch having an electromagnet, a rotational member mounted to undergo rotation, an armature selectively coupled to the rotational member for rotation therewith when the...
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6599102 |
Gas compressor and air conditioning system
Disclosed are a gas compressor and an air conditioning system in which an anomalous temperature rise in an electro-magnetic clutch is detected at an early stage to stop the operation of the gas...
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6591477 |
Method for making an armature assembly
A method for making an armature assembly is provided that reduces the level of acoustic noise during initial engagement of the armature, during slippage, and during disengagement. The armature...
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6578688 |
Spline cushion clutch driver for an electromagnetic clutch
An automotive air conditioning compressor clutch eliminates all rivets and utilizes only one return spring. A hub with multiple radial teeth closely fitting into armature openings supports the...
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6578689 |
Electromagnetic clutch and a compressor provided with electromagnetic clutch
The invention provides an electromagnetic clutch that effectively reduces the shock noise produced during the coupling of an armature plate and a drive rotor, and furthermore, has a laminated body...
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6568520 |
Electromagnetic clutch and compressor equipped therewith
The present invention aims to provide an electromagnetic clutch capable of decreasing the impact noise generated when the armature plate and the driving rotor are coupled. The present invention...
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6540056 |
Armature disk with friction material
An electromagnetic clutch assembly for selectively connecting a source of rotative power with a driven component having an input shaft rotatable about a shaft axis features a driven member mounted...
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6505725 |
Electromagnetic clutch device for a compressor
The present invention relates to an electromagnetic clutch device for a compressor used for air conditioners in vehicles and so forth. The object of the present invention is to provide an...
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6419066 |
Electromagnetic coupling apparatus
To provide an electromagnetic coupling apparatus that is low in manufacture cost and superior in durability with high performance, the electromagnetic coupling apparatus including: a first rotary...
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6409004 |
Electromagnetic clutch
An electromagnetic clutch comprises a clutch rotor having a flange portion, an armature opposed to the flange portion, and a ring exciting coil. The ring exciting coil generates a magnetic flux for...
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6394252 |
Electromagnetically actuated power transmitting assembly
An electromagnetically actuated power transmitting assembly has a cup shaped pulley structure mounted for rotation about the input shaft of a power driven device. The pulley structure has an outer...
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6371270 |
Electromagnetic clutch
An electromagnetic clutch includes an electromagnet device housed in a rotor. The electromagnet device has a ring member having a containing chamber, a coil member having a bobbin and a coil...
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6343680 |
Friction clutch
A friction clutch such as an electromagnetic clutch, in which a driving friction surface is formed on a rotor integral with a rotationally driven pulley and a driven friction surface in opposed...
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6286650 |
Coil-rotation type electromagnetic clutch
In order to reduce an electromagnetic clutch in an axial size, a ring-shaped leaf spring connects an armature to a hub. The leaf spring has an outer ring portion connected to the armature, an...
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6279710 |
Electromagnetic clutch
An electromagnetic clutch has a gear formed with a tubular part having a hollow portion into which a shaft is inserted. The tubular part is formed with a plurality of position restrainers each...
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6273230 |
Ball bearing and electromagnetic clutch having the same
A ball bearing 36 supports a rotor 35 of an electromagnetic clutch 31 in such a manner that the rotor 35 can be rotated about the axis of the ball bearing 36. The ball bearing 36 includes an outer...
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6244408 |
Rotary machine having single row four contact point bearing
A bearing used for an electromagnetic clutch includes an inner race, an outer race, and a plurality of balls provided between the inner and outer races. The plurality balls are arranged in single...
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6237737 |
Power actuator having an electromagnetic clutch assembly
The present application discloses a power actuator that has a motor having a rotatable motor output member and a clutch assembly. A stamped, cup-shape ferromagnetic coil casing has a generally...
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6209700 |
Electric clutch including resilient disk biasing means
An improved electric clutch for driving refrigeration compressors and the like includes an annular ferromagnetic annular armature that is connected with a drive shaft via the outer peripheral...
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