Sign up


Match Document Document Title
8987975 Lead type piezoelectric resonator device  
A lead type piezoelectric resonator device includes a piezoelectric resonator plate and a lead terminal that supports the piezoelectric resonator plate. The piezoelectric resonator plate is...
8987973 Energy harvester  
An energy harvester comprising a base; one or more first resilient means mounted on the base; a hollow chamber having a mounting point pivotally attached to the first resilient means; a hollow...
8987977 Piezoelectric vibration reed, piezoelectric vibrator, oscillator, electronic instrument, and radio timepiece  
There is provided a piezoelectric vibration reed including a pair of vibrating arm portions arranged in parallel to each other and a base portion integrally fixing proximal end portions in the...
8987979 Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled timepiece  
A piezoelectric vibrating piece includes a pair of vibrating arm portions which are arranged with a center axis interposed therebetween, a base portion which is arranged between a pair of vibrating...
8988657 Lithographic apparatus and device manufacturing method  
A lithographic apparatus having a component that moves in a first direction, the component including a passive gas flow system. The passive gas flow system has a gas inlet to drive gas into the...
8987962 Double-stator/double-rotor type motor and direct drive apparatus for washer using same  
Provided are a double-stator/double-rotor type motor, and a direct drive apparatus for a washing machine using the double-stator/double-rotor type motor, in which a nonmagnetic material is provided...
8987956 High speed clutch design with jaw tooth profile to reduce separating load  
A shaft for a clutch member comprises an engagement portion having a plurality of teeth spaced about a shaft centerline. The teeth have a tooth profile with a negative rake angle. The negative rake...
8987952 Electric machine including a multi-channel fan  
The present invention relates to an open rotary electric machine having a rotor mounted to rotate relative to at least one stator and co-operating with the stator to define at least one airgap, the...
8987963 Double drive shaft motor of magnetic flux modulation type  
In a double drive shaft motor, a stator and a field rotor are arranged at a radially outer side of a magnetic modulation rotor. The stator and the field rotor are arranged in series in an axial...
8987978 Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic apparatus and radio timepiece  
A piezoelectric vibrating piece, a piezoelectric vibrator, an oscillator, an electronic apparatus and a radio timepiece capable of reducing the size while suppressing reduction of rigidity and...
8987972 Vibrator in vibration type driving apparatus and manufacturing method thereof  
A vibrator, which constitutes a vibrating device of a vibration-type driving apparatus in which the vibrating device is bonded to an electromechanical-energy-conversion element, has at least one...
8984742 Method of making soft magnetic amorphous metal electromechanical component  
A three dimensional soft magnetic metal mass suitable for milling is formed wrapping soft magnetic metal ribbon into a three dimensional shape and then applying adhesive to the three dimensional...
8987965 Rotor and permanent magnet rotating machine  
A rotor adapted for a large permanent magnet rotating machine having high output and demagnetization resistance and the permanent magnet rotating machine are provided. The permanent rotating...
8987971 Rotor core for an electric machine  
A rotor core is provided for an electric machine. The rotor core includes a body extending a length along, and being configured to rotate about, a central longitudinal axis. The body includes...
8987969 Stator and manufacturing method thereof  
The invention has an object to provide a stator including coils that protrude less in the radial direction of the stator and can be made smaller in the radial direction of the stator, and a method...
8989412 Piezoelectric acoustic transducer  
A piezoelectric acoustic transducer (1) of the present invention includes a lower frame (78), a lower speaker circuit (20), an upper frame (77), an upper speaker circuit (10), and a surround (76)....
8987974 Piezoelectric device and method for manufacturing the same  
A piezoelectric device includes a piezoelectric vibrating piece with a pair of excitation electrodes, a base plate, and a non-conductive bonding material. The base includes a pair of castellations...
8987955 Electric motor and electric device including the same  
A stator, a rotor, bearings, and conductive brackets are provided. The stator has a stator iron core having a winding wound thereon. The rotor has a rotating body that holds a permanent magnet in...
8986017 Rotatable electric coupling apparatus and method  
What is presented is a method of manufacturing a rotatable electric coupling. The rotatable electric coupling comprises a male connector half and a female connector half. The male connector half...
8987958 Waterproof motor stator structure  
A waterproof motor stator structure includes a circuit board; a stator mounted on one face of the circuit board; a lower shell forming an open-topped annular recess for receiving the circuit board...
8985747 Piezoelectric element, liquid ejecting head, liquid ejecting apparatus and piezoelectric device  
Provided is a piezoelectric element that has a first electrode, a piezoelectric layer provided on the first electrode, and a second electrode provided on the piezoelectric layer, an average grain...
8984885 Thermal magnetic engine and thermal magnetic engine system  
A thermal magnetic engine and a thermal magnetic engine system are disclosed. The thermal magnetic engine includes a fixed element, a rotation element, working fluid and a fin structure. The...
8987951 Linear vibrator  
Disclosed is a linear vibrator, the linear vibrator including a stator having first and second coil blocks coupled to a bottom plate of a casing, a vibrator having a magnet disposed at a position...
8987953 Permanent magnet electric machine including permanent magnets having a sleeve formed from a thermal interface material  
An electric machine includes a housing, a stator fixedly mounted relative to the housing, and a rotor assembly rotatably mounted relative to the stator. The rotor assembly includes a plurality of...
8987959 Split magnetic thrust bearing  
A magnetic bearing thrust stator is provided including, a plurality of stator sectors. Each of the stator sectors includes a semi-circumferentially slotted stator portion including a plurality of...
8987968 Power generator and wind power generation system  
This power generator is so formed that a number q of slots per pole per phase obtained by dividing the number of slots by the number of poles of permanent magnets and the number of phases of...
8987966 Electric motor  
An electric motor has a wound stator and a permanent magnet rotor. The rotor includes a shaft, a hub fixed on the shaft, a plurality of rotor core segments and magnets fixed around the hub, and a...
8987954 On-vehicle motor including detector for detecting state of motor  
A motor mounted on a vehicle includes a housing; a shaft rotatably supported by the housing via a bearing; a rotor fixed to the shaft; a stator; and a detector that detects a rotational speed of...
8987970 Coil fixing member of rotating electrical machine, and rotating electrical machine  
A coil fixing member of a rotating electrical machine, wherein the rotating electrical machine includes a ring-shaped stator core, a slot formed at inner peripheral section of the stator core, a...
8988155 Oscillator device and manufacturing process of the same  
An oscillator device includes: a structural layer extending over a first side of a semiconductor substrate; a semiconductor cap set on the structural layer; a coupling region extending between and...
8987961 Motor assembly for an electric fan  
A motor assembly for a fan for a radiator of a motor vehicle, has an electric motor with a stator and an outer rotor driving an impeller. A support connected to the stator has a plurality of arms...
8987976 Piezoelectric resonator having combined thickness and width vibrational modes  
A method and apparatus for a piezoelectric resonator having combined thickness and width vibrational modes are disclosed. A piezoelectric resonator may include a piezoelectric substrate and a first...
8987957 Systems and methods for facilitating oil flow in relation to rotor bearings  
Systems and methods for rotor bearings that enable improved oil circulation, wherein axial grooves are formed in the outer periphery of each bearing to form channels that allow axial flow of oil...
8987578 Energy conversion device  
According to one embodiment, an energy conversion device comprises a nuclear battery, a light source coupled to the nuclear battery and operable to receive electric energy from the nuclear battery...
8987960 Supporting and heat dissipating structure for motor having integrated driver  
The present disclosure provides a supporting and heat dissipating structure. A driver is arranged on an inner surface of a heat sink. The heat sink has protrusions for heat dissipation. An axle...
8987967 Claw-pole motor with permanent magnet and electrically exciting parts  
An AC claw-pole electric motor includes a casing, a stator connected with the casing, a rotor and two exciting parts. The rotor includes a rotor shaft (9), a center magnetic yoke (11), a first side...
8987928 Linear dual EAP generator  
Water movement in shallow waters is used to obtain electrical energy. Some systems use panels (4) that are pivotally mounted (13) near the sea floor in shallow water and that extend up to the sea...
8987950 Actuator and actuator cooling method  
An actuator in accordance with an embodiment includes at least one linear motor, a partition member and a fan. The linear motor is configured to linearly move a shaft serving as a movable member....
8987964 Permanent magnet segment for use with a BLDC motor assembly  
A BLDC electric motor assembly (24) includes a rotor (42) having a plurality of magnet segments (50) securely retained thereabout by an annular ring (68) which is shrunk in situ in an...
RE45419 Surface acoustic wave device and method of fabricating the same  
A surface acoustic wave device includes a piezoelectric substrate having a first surface on which comb-like electrodes, first pads connected thereto, and a first film are provided. The first film...
8981622 Ultrasonic sensor device  
An ultrasonic sensor device includes a housing, a transducer, a securing unit and a circuit board. The housing has an enclosing portion formed with first and second openings. The transducer is...
8978496 Step actuator  
Disclosed is a step actuator. The step actuator includes a housing; a stator installed in the housing; a rotor positioned radially inward from the stator, the rotor rotating and protruding from one...
8981620 Driving mechanism, lens barrel, and camera  
A driving mechanism driving a first member and a second member relative to each other which includes a piezoelectric element that drives the first member, a base member that movably supports the...
8981609 Generator for a wind energy installation and method for its production  
Disclosed is a generator for a wind energy installation having a rotor which has permanent magnets and is directly connected for drive purposes to a blade rotor of the wind energy installation, and...
8981213 Piezoelectric ultracapacitive photovoltaic cell  
A piezoelectric photovoltaic cell is disclosed. The cell may include a photovoltaic portion, including a sensitized semiconductor material. The cell may also include a piezoelectric portion,...
8978799 Drive train having a wet starting clutch for hybrid applications  
A starting clutch running in oil is present in the drive train of a motor vehicle which has an internal combustion engine and a starter generator. The rotor of the starter generator is supported on...
8980117 Piezoelectric material  
Provided is a piezoelectric material having a high Curie temperature and satisfactory piezoelectric characteristics, the piezoelectric material being represented by the following general formula...
8981612 Rotor and motor  
A rotor is provided with a first rotation member having a plurality of first claw poles in a circumferential direction and a second rotation member having a plurality of second claw poles in a...
8981621 Electroactive polymer manufacturing  
Described herein are transducers and their fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer....
8981619 Vibration type actuator, vibrator, and vibrator manufacturing method  
A vibration type actuator providing a satisfactory actuator performance even when an increase in speed is achieved and having a contact spring. The actuator includes a vibrator equipped with an...