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US20120268910 |
PIEZOELECTRIC VIBRATOR WITH DOUBLE-ENDED SHAFT SUPPORT
An electronic device may be provided with a vibrator. The vibrator may vibrate to alert a user to an incoming cellular telephone call or other events. The vibrator may have a piezoelectric... |
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US20110241464 |
Vibration Motor Surface Mounting Structure and Vibration Motor
In order to provide a vibration motor surface mounting structure capable of preventing a vibration motor from tipping over without using a part such as metal holder requiring complicated assembly,... |
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US20130320790 |
VIBRATION GENERATOR
A vibration generator includes a rotary unit configured to rotate, a weight arranged to generate a vibration in the rotary unit and an electromagnet arranged to displace the weight to a position... |
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US20110298320 |
FLAT TYPE VIBRATION MOTOR
There is provided a flat type vibration motor 100 that includes a bracket 150 with a shaft 140 of which one end is inserted into and fixed to the center thereof, a printed circuit board 110 having... |
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US20150236563 |
VIBRATION MOTOR
A vibration motor includes a weight that rotates about a shaft, and has a centroid position different from a central axis of the shaft, a case with a protrusion portion that extends from a lower... |
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US20130076178 |
VIBRATION GENERATOR MOVING VIBRATOR BY MAGNETIC FIELD GENERATED BY COIL AND HOLDER USED IN VIBRATION-GENERATOR
A holder is used while attached to a chassis of a vibration generator that moves a vibrator to generate a vibration. The holder includes a vibrator retention unit retaining the vibrator, a fixed... |
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US20110285228 |
VIBRATION MOTOR HOLDING STRUCTURE AND VIBRATION MOTOR
There is provided a holding structure to hold a vibration motor on a circuit board with a sufficient holding strength using an inexpensive and simple means such as caulking and bonding and a... |
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US20110043061 |
VIBRATION MOTOR
A weight used in a vibration motor includes first and second weight parts that extend along adjacent wing parts to hold the wing parts therebetween; an insertion part that is formed between the... |
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US20120062059 |
Angular momentum engine
This invention Angular Momentum Engine turns angular centripetal momentum to linear centripetal momentum. As an analogy picture a small hand held battery operated clock in your hand being turned... |
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US20140265677 |
Overmold Protection for Vibration Motor
A vibration motor assembly includes a vibration motor, an end cap having electrical contacts configured for supplying electrical power to the vibration motor, the end cap having a first connecting... |
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US20090189467 |
Vibration generator for a vibration pile driver
A vibration generator for a vibration pile driver, comprises imbalance masses that can rotate, which are disposed on shafts. A hydraulic drive having a changeable suction volume is disposed on the... |
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US20150022040 |
VIBRATION IMPARTING DEVICE FOR A CONCRETE FINISHING TOOL
A vibration imparting device for a concrete finishing tool utilizing a housing having a chamber surrounded by an inner surface of the housing. A vibrator and a battery are placed within the... |
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US20140285044 |
Closed System Self Propulsion Engine
With this patent design, I am challenging one of the foundations of modern engineering and physics, specifically a clause in the Conservation of Linear Momentum, which basically states that no... |
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US20050253470 |
Direct current brushless vibration motor
A direct current brushless vibration motor comprises a housing in which a stator is mounted. The stator is provided with a slot which is in turn provided in the inner wall with a series of pole... |
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US20070057594 |
Brush for vibration motor
A brush for a vibration motor is disclosed. A brush in contact with a flat commutator for supplying a current, comprises a plurality of arms in contact with the flat commutator in substantially... |
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US20060255670 |
Eccentric rotor and vibration motor having the rotor
An eccentric rotor and a vibration motor having the rotor are disclosed. In one embodiment, the eccentric rotor comprises: a board with an insertion hole, patterned coil layers on the upper... |
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US20060028077 |
Flat vibration brushless motor
An eccentric rotor rotatably accommodated via a shaft in a housing at least one part of which is made nonmagnetic or weakly magnetic comprises a rotor case, an axial air-gap magnet held in the... |
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US20090256532 |
Kinetic Energy Harvesting in a Drill String
An apparatus and method for harvesting energy in a wellbore is disclosed. In one embodiment, a harvester tool positioned in a wellbore for capturing energy in the wellbore is disclosed. The... |
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US20050248224 |
Flat-type vibration motor
A flat vibration motor of the present invention has a coil placed at a position lower than an upper portion of a rotor and received completely in the rotor so that the coil is not exposed to... |
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US20070040468 |
Integral brush and vibration motor having the same
A vibration motor and a brush for a vibration motor are disclosed. In an embodiment of the invention, which comprises an arm having a contact part in contact with a commutator, and a securing part... |
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US20070194642 |
Eccentric rotor and flat motor comprising same
A printed wiring board includes a commutator at a rotation center thereof on one side and a bearing at the rotation center on the other side, first, second and third wound air-core coils having an... |
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US20090036807 |
MASSAGING VIBRATOR
A massaging vibrator includes a massage assembly provided with a contact member, which is at least partly elastically deformable, and which can be applied directly or indirectly to the skin of a... |
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US20100117471 |
MICRO VIBRATION MOTOR WITH ADJUSTABLE VIBRATION AMOUNT
A micro vibration motor with adjustable vibration amount includes a rotor and a stator. The rotor includes a round cover; a perforation, formed on a rotation center of the round cover; a weight... |
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US20070145841 |
Flat type motorized vibrators with high vibration output
The present invention involves a type of flat, motor-driven vibrator that does not increase the outer physical dimensions of the vibrator while increasing the amount of vibration by changing the... |
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US20090251017 |
Vibration motor
A vibration motor includes a rotary shaft, an armature core secured to the rotary shaft and having a plurality of salient poles, an armature coil wound around each of the salient poles except at... |
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US20070159016 |
Vibration generator and assemblies embodying same
A vibration generator (11) is provided that comprises a housing (1), a weight (3) that is movable relative to the housing in a manner operatively imparting a vibratory movement to the housing, and... |
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US20090230796 |
FLAT TYPE VIBRATION MOTOR WITH INCREASED VIBRATION AMOUNT
A flat type vibration motor with increased vibration amount comprises a vibrator (1), a hard circuit board (2), a rotor (3), a shaft (5), a lower case (9), a magnet (8), a flexible circuit board... |
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US20100007229 |
Vibration Motor
A vibration motor is provided. The vibration motor includes a case, a shaft, a rotor, a printed circuit board (PCB), and a coil. The case includes a lower case and an upper case. The case includes... |
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US20110109181 |
MOTOR
In the invention, in order for a brush assembly to be easily built in a motor, the motor includes an aligning means for aligning a main body portion of the brush assembly relative to a lower case... |
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US20130164132 |
DUAL FREQUENCY HUB MOUNTED VIBRATION SUPPRESSOR SYSTEM
A vibration suppressor system includes an annular electric motor system which independently controls rotation of at least two masses about the axis of rotation to reduce in-plane vibration of the... |
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US20090243410 |
Vibration generator
A vibration generator has at least two groups of shafts, on which at least two groups of imbalances are disposed, and which are connected with at least one drive that rotates the shafts relative... |
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US20060001324 |
Pattern coil type vertical vibrator
Disclosed is a pattern coil type vertical vibrator including: a housing; a magnetic circuit unit placed in the internal space of the housing, and including a magnet perpendicularly placed and a... |
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US20080018187 |
Thin stator, eccentric motor and axial air-gap brushless vibration motor equipped with the same
A stator includes a bracket having a shaft bearing portion at a center, a stator base including a flexible printed wiring board outwardly attached to the shaft bearing portion, single-phase... |
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US20100033045 |
VIBRATING MOTOR
A vibrating motor includes a base having a bearing mounting section, a magnet mounted on the base, a shaft assembled with the bearing mounting section, a pair of brushes located on the base and a... |
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US20110133583 |
VIBRATING SCREEN AND MOTOR, MOTOR GROUP
A vibrating screen. The vibrating screen includes a vibrator, a screen box and a base. The vibrator includes at least a motor and an eccentric block coupled thereto. Each motor has a main motor... |
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US20100243392 |
SYSTEM FOR DAMPING OSCILLATIONS IN A STRUCTURE
The system for damping oscillations in a structure according to the invention provides two masses that can be controlled to rotate at the frequency of oscillation of the structure and in opposite... |
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US20100259114 |
Vibration Motor
Disclosed herein is vibration motor. The vibration motor includes a bearing rotatably fitted over a support shaft which is installed to be perpendicular to a base. A hub is coupled to the bearing,... |
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US20090218896 |
Surface mount-type vibration motor and fixation structure for surface mount-type vibration motor
[Problems] A surface mount-type vibration motor and an installation structure for a surface mount-type vibration motor, where soldered portions are prevented from separating from a circuit board... |
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US20100156209 |
Vibration Motor
Provided is a vibration motor including a supporting shaft, a rotor rotatably coupled to the supporting shaft, a stator facing the rotor, and a case having a lower plate where the supporting shaft... |
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US20070273224 |
Vibration motor and oilless bearing
An oilless bearing and a vibration motor having the oilless bearing are disclosed. The vibration motor that includes a housing having an internal space, an oilless bearing which is inserted and... |
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US20110266901 |
FLAT TYPE VIBRATION MOTOR
A flat type vibration motor realizing strong fastening of a rotor frame and an eccentric weight without welding, that is, a flat type vibration motor provided with a cover case having a tubular... |
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US20100026219 |
MOTOR DRIVE CIRCUIT WITH SHORT STARTUP TIME
An H-bridge circuit is connected to a coil of the vibration motor that is to be driven. A comparator receives Hall signals indicating position information of a rotor of the vibration motor, and... |
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US20060091747 |
Magnetic sound transducer containing flat vibration motor
A vibration motor and speaker device includes a speaker excitation magnet around a flat brushless vibration motor which acts as a speaker magnetic pole. the vibration motor has a case constituting... |
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US20080157611 |
Vibration motor
A vibration motor that includes a base and a case which form an internal space, a shaft rotatably inserted in the base and the case, a rotor inserted onto the shaft and configured to rotate, which... |
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US20100148604 |
Vibration Motor
A vibration motor is provided, comprising a case having an upper case and a lower case which are coupled to each other; a shaft installed in the case while being supported by the case; a rotor... |
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US20090200880 |
WIDE BAND VIBRATIONAL STIMULUS DEVICE
An eccentric mass (EM) motor in a vibrotactile transducer provides a wide band vibrational stimulus to a mechanical load in response to an electrical input. The eccentric mass and motor may form... |
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US20080150379 |
VIBRATION MOTOR
A vibration stator includes a housing (30), a stator (10) received in the housing and a rotor (20) being rotatably disposed in the stator. The stator includes two claw-pole assemblies (11)... |
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US20080157702 |
ELECTRIC MOTOR WITH A RETRACTABLE SHAFT
An electric motor (100) for controlling the lateral displacement of a shaft (114) connected to a rotor (104) of the electric motor (100) is provided. The electric motor (100) includes one or more... |
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US20110025149 |
FLAT TYPE VIBRATION MOTOR
Disclosed herein is a flat type vibration motor. The motor includes a bracket having a shaft mounted to the central portion of the bracket, with a lower substrate and a magnet being adhered to the... |
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US20100289357 |
BRUSHLESS VIBRATION MOTOR
The present invention provides a brushless vibration motor. A bracket has a burring part protruding upwards. A shaft is fitted at a first end thereof into the burring part. A stator comprises at... |