Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7527134 | Rotational coupling device A rotational coupling device for use as a clutch and/or brake is provided having a construction enabling improved torque transfer characteristics. The device includes a rotor rotatably coupled to an input shaft and an armature coupled to an output member and configu... | 05/05/2009 |
| 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 it, an armature coupled to the outer plate and opposing the rotor, an ... | 05/06/2008 |
| 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 coupling a hub (10) attached to a rotation shaft (6 | 02/19/2008 |
| 7325974 | Pulley rotation support apparatus An endless belt (11) to be provided on a driven pulley (4b) and a pulley rotation support apparatus for supporting the driven pulley (4b). In the pulley rotation support apparatus, there is used a three-point-contact-type or four-p... | 02/05/2008 |
| 7312550 | Architecture for electric machine In one aspect, an alternator is described which includes a current control apparatus including a stator winding and a control winding, wherein current control in the control winding regulates the stator winding. In another aspect, a gas turbine engine includes a mul... | 12/25/2007 |
| 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 drive source and accommodates an electromagnetic coil. The electromag... | 12/25/2007 |
| 7299847 | Fire door control system and method A fire door control system permits user input during regular use and during alarm conditions. The system utilizes primary and secondary power sources and incorporates a variety of preventive safeguards assuring that functionality of the fire door control system will... | 11/27/2007 |
| 7300372 | Integrated pulley-torsional damper assembly An integrated pulley-torsional damper assembly (1) comprises a hub (2) designed for being rigidly connected to a drive member (3), a pulley (4) connected to the hub (2) by means of a first ring (5) made of elastomeric materi... | 11/27/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 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 transmitting a driving torque to the drum, wherein the clutch is acc... | 10/02/2007 |
| 7267214 | Electromagnetic frictionally engaged clutch and method for operating the same An electromagnetic frictionally engaged clutch for arranging inside a drive train connecting a drive motor and a vehicle door or flap. The arrangement ensures that the vehicle door is securely held in each intermediate position, when the clutch is in an idle state, ... | 09/11/2007 |
| 7224253 | Assembling structure of field coil The present invention relates to an assembling structure of field coil, which has a simple mounting structure for a diode and a resistor to cut an off-noise of an electromagnetic clutch and to prevent damage of peripheral parts due to surge voltage generation when p... | 05/29/2007 |
| 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 is so ... | 05/08/2007 |
| 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 angle with the rotating direction of the armature plate, and accordingly... | 02/20/2007 |
| 7153228 | Power transmission A power transmission includes a first rotating member driven by an external drive source, an electromagnetic solenoid provided to the first rotating member, a second rotating member fixed to a main shaft of a rotary apparatus, and an mechanism for engaging and disen... | 12/26/2006 |
| 7138895 | Field coil assembly for an electromagnetic clutch for a compressor The present invention relates to a field coil assembly of an electromagnetic clutch for a compressor, in which a coil wire of an electromagnetic coil body exposed to a protrusion of a bobbin is electrically connected with a compressing portion of a coil wire formed ... | 11/21/2006 |
| 7128690 | Method for controlling magnet type fan clutch Provided is a method for controlling a magnet type fan clutch, by which method engine performance, fuel efficiency, engine life, vehicle acceleration capability and other properties of a magnet type fan clutch can be further improved and its fan noise can be further... | 10/31/2006 |
| 7126313 | Architecture for electric machine The invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first winding and inductively coupled to the first winding, which may be us... | 10/24/2006 |
| 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 an elastic member (31) in the state of being compressin... | 08/15/2006 |
| 7073639 | Rotational machine A rotational machine includes a shaft, a rotary member rotatably mounted on the shaft with a bearing fitted between the shaft and the rotary member, an oil seal for sealing the bearing to prevent leakage of lubricant from inside the bearing through its axial end ont... | 07/11/2006 |
| 7044284 | Disc and hub assembly for electromagnetic clutch in a compressor The present invention relates to a disc and hub assembly for an electromagnetic clutch of a compressor. The assembly comprises: a disc (120) adapted to be attracted to or separated from a friction surface of a pulley under the action of an electromagnetic coi... | 05/16/2006 |
| 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. In further embodiments an engage clutch mechanism is provided to all... | 05/16/2006 |
| 7040102 | Vehicles and electromagnetic clutches for compressors for such vehicles An electromagnetic clutch for a compressor includes a rotor, an armature, an electromagnetic coil for bringing the rotor into contact with the armature and for separating the rotor from the armature, and a temperature detection device, such as a temperature fuse or ... | 05/09/2006 |
| 7041019 | Automotive compressor having a simple waterproof structure for a bearing supporting a pulley In an automotive compressor, a pulley (6) is rotatably supported on a compressor housing (1) through a bearing (5) to have an axial gap (10) left between the compressor housing and the pulley. A waterproof cover (13) covers the axi... | 05/09/2006 |
| 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 armature plate by special rivets having enlarged diameter shanks that ... | 04/11/2006 |
| 7017723 | Electromagnetic clutch and rotation transmission device The magnetic attraction force of an electromagnetic coil in an electromagnetic clutch is increased in a limited installation space, thereby improving reliability of operation. The dimensions of a field core housing the electromagnetic coil and a rotor are optimized ... | 03/28/2006 |
| 7017726 | Electromagnetic clutch In the disclosed electromagnetic clutch, a bent porion (15a) of a plate (15) comes into contact with an armature (6) attempting to move beyond a predetermined movable range, thereby restricting the movement of the armature (6). As ... | 03/28/2006 |
| 7004297 | Drive power transmission device A drive power transmission device is disclosed having a drive mechanism for transmitting a drive power between first and second rotary members rotatable relative to each other, by the operation of an electromagnetic type clutch mechanism which brings a friction clut... | 02/28/2006 |
| 7000748 | Clutch brake A clutch brake is provided that includes a brake housing adapted to be non-movably secured relative to a driveline master clutch. The brake housing includes a through-hole sized to allow passage of a shaft and at least one source of magnetic flux. The clutch brake a... | 02/21/2006 |
| 7002444 | Electromagnetic coil assembly and electromagnetic actuator An electromagnetic coil assembly has a main coil having a first end and a second end, the main coil being wound without a bobbin, a first cover fitted over the main coil from the first end of the main coil, a second cover fitted over the main coil from the second en... | 02/21/2006 |
| 6965183 | Architecture for electric machine The invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first winding and inductively coupled to the first winding, which may be us... | 11/15/2005 |
| 6952929 | Air conditioning systems for vehicles, comprising such air conditioning systems, and methods for driving hybrid compressors of such air conditioning systems An air conditioning system for a vehicle includes a compressor. The vehicle includes a first drive source and the compressor includes a second drive source. The compressor is driven by the first drive source or the second drive source, or a combination thereof, and ... | 10/11/2005 |
| 6938342 | Method for reducing seizure in a cageless ball bearing which is exposed to foreign particles A method for reducing seizure when a cageless ball bearing is placed in a hostile environment where foreign particles can enter the bearing, comprises removing at least one ball from a full complement of balls. In so doing, a larger circumferential gap between balls... | 09/06/2005 |
| 6921250 | Engine cooling fan with electromagnetic clutch Apparatus for conveying air to radiators of motor vehicles and the like having a fan (10) having a plurality of blades (12) each radially mounted its own coupling device (31) on a central body (11) and able to be rotationally actuated abo... | 07/26/2005 |
| 6916161 | System, method, and apparatus for shielding sparks originating from a compressor in a marine air conditioner A system for shielding sparks generated by a compressor in a marine air conditioning system is disclosed. The components of the compressor clutch are modified and a cap encapsulates the components that can generate sparks. In particular, the outer edges of the hub a... | 07/12/2005 |
| 6910564 | Toothed electromagnetic clutch brake A rotor ring and an armature for use in a toothed electromagnetic clutch or a toothed electromagnetic clutch brake. A method of manufacturing rotor rings and armatures used in toothed electromagnetic clutch or a toothed electromagnetic clutch brakes. ... | 06/28/2005 |
| 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 intervals, a depression is formed by compressing and plastically press de... | 01/04/2005 |
| 6838969 | Electromagnet assembly for electromagnetic apparatus An electromagnet assembly for an electromagnetic apparatus has a ring member, a coil bobbin having an electrical wire wound a spool of the ring member, and a ring case. The ring member is disposed in an annular groove of the ring case. An opening is formed through t... | 01/04/2005 |
| 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 outer ring portion, attachment portions connected to a hub, and conne... | 11/30/2004 |
| 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 from the mounting plate and the second end of the ground lead is fri... | 11/16/2004 |
