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Class 310/82 - Swash plate


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having a swash plate.
No. of patents: 73
Last issue date: 02/19/2008


1    
NumberTitleIssue Date
7333724Camera and piezo ceramic motor therefor
A camera has an axially moveable cylinder retaining a lens and a piezo ceramic motor for axially moving the cylinder. The motor has a piezo ceramic drive member that incrementally advances the cylinder in response to the application of an electric potential and a pi...
02/19/2008
7176596Pivot joint structure for motor rotor
The invention relates to a pivot joint structure of the motor rotor including a spindle and a snap ring. The spindle is centrally disposed in the rotor and the end thereof near the urging part has a scoop channel with smaller outer diameter. The urging part has at l...
02/13/2007
7172917Method of making a nanogap for variable capacitive elements, and device having a nanogap
A method for fabricating a variable capacitive device including providing a base silicon-bearing compound electrode which is vertically-inclined with respect to a substrate, depositing a sacrificial layer on the base electrode, depositing a silicon-bearing compound ...
02/06/2007
6975061Apparatus for moving a pair of opposing surfaces in response to an electrical activation
An apparatus for moving a pair of opposing surfaces in response to an electrical activation having a support including a rigid non-flexing portion, at least one pivotable arm portion extending from the rigid non-flexing portion, a pair of opposing surfaces with one ...
12/13/2005
6924586Uni-body piezoelectric motor
An apparatus according to the present invention includes a support structure having a primary portion with first and second arm portions formed thereon for movement relative to one another, and a secondary portion with either a clamp portion or valve portion integra...
08/02/2005
6919655Induction-type gyrator capable of reciprocating and vibrating motions
A gyrating device includes a stator and a rotor. The stator is formed of at least one induction member and two induction coils connected with the induction member by an induction signal. The rotor is formed of at least one magnet and two inductors. The rotor is caus...
07/19/2005
6903481Commutator for electric motors
The commutator has a cylindrical collector (1), disposed on a motor armature shaft, and electrical-contact means (4, 5), which during one rotation of the collector (1) touch at least two each of a plurality of commutator laminations (3) t...
06/07/2005
6710483Actuator capable of revolving
A revolution type actuator having a movable member performing a revolution motion includes a movable member capable of revolving with respect to a fixed member, a plurality of conducting paths which are provided on a face parallel to a trajectory face of the above-m...
03/23/2004
6664711Harmonic motor
A harmonic motor includes a first annular member, a second member, and device for flexing the first annular member. The first annular member has a longitudinal axis and is flexible. The second member is substantially coaxially aligned with the first annul...
12/16/2003
6661139Motor-gear unit with integrated eccentric wheel gear
A motor-gear unit, having an eccentric wheel gear, driven by a rotary drive (3), which eccentric wheel gear has an eccentric element (8), an eccentric wheel (10) rotatably supported on the eccentric element, and a driver (15), and the driver (15) cooperat...
12/09/2003
6570275Motor having two degrees of free motion with a core having inner and outer winding portions
A motor having two degrees of free motion includes: a motor casing; a combined core of cylindrical shape having a plurality of inner teeth inside and a plurality of outer teeth outside and fixedly coupled inside the motor casing; a first coil winding woun...
05/27/2003
6548927Eccentric orbiting type driving apparatus
A stator (2) is fixed to a casing (1). Bearing supports (5, 6) are fixed to the casing (1), and a rotary shaft (4) is rotatably supported by the bearing supports (5, 6) through bearings (7, 8). A rotor (3) is fixed to the rotary shaft (4), and an orbiting...
04/15/2003
6548926Linear displacement actuator
The subject of the invention is a linear displacement actuator which includes a male part and a female part. One part includes a screw thread and the other part includes at least one peripheral rib which collaborates with the screw thread. The inside diam...
04/15/2003
6369477Roller-type electric motor
A roller-type electric motor includes a housing having a hollow interior and an inner wall. A plurality of stator poles each of predetermined magnetic polarity are positioned at the inner wall of the housing, and a roller having an outer surface is positi...
04/09/2002
6326714Two-axis pointing motor
The present invention provides an improvement in a two-axis pointing motor (20) having a frame (21) and an armature (22). The armature has an axis (x-x) passing through a point (P). The armature is mounted on the frame for controlled omni-directional pivo...
12/04/2001
5892310Torquer assembly
A torquer assembly is to exert torques about two mutually orthogonal axes on a platform which is mounted for universal movement about a central swivelling point. To this end, a stator having four pairs of pole pieces is provided. The pole pieces are angul...
04/06/1999
5854528Ultrasonic motor
An ultrasonic motor has a vibrating body 3 and a moving body 11 supported by a supporting component 7. A rounded lower end of the supporting component is supported in a tapered dent of a supporting base 10, and therefore when a side pressure is applied, i...
12/29/1998
5804898Electric motor utilizing magnetic energy of permanent magnet
An electric motor is capable of increased output torque by utilizing both electric energy by an electromagnet and a magnetic energy by a permanent magnet. The electric motor includes a wobble rotor made of a magnetic material including at least one perman...
09/08/1998
5805375Wobble motor microactuator for fine positioning and disk drive incorporating the microactuator
A microfabricated wobble motor with a positioning arm attached to the wobble motor rotor acts as a fine positioner with bidirectional movement. The primary application is a rotary actuator for the read/write head in a very small magnetic recording disk dr...
09/08/1998
5793134Drive arrangement for high-pressure pump and high-pressure cleaner with such a drive arrangement
In a drive arrangement for driving a pump of the axial-piston type, of which solely the swash-plate member (8) is shown, from a motor (1), the main novel feature is that the motor shaft (9) is directly connected or connectable to the swash-plate member (8...
08/11/1998
5747915Bent shaft motor
A nonelectromagnetic motor comprising a base, a bent shaft which is rotable relative to the base wherein the bent shaft comprises a straight portion aligned with a main axis and an offset portion that is offset with respect to the main axis; and a drive m...
05/05/1998
5719458Power generator with improved rotor
A power generator includes an electromagnet for generating a rotating magnetic field when being excited by a three-phase alternating current applied thereto, a rotation output shaft rotatably supported on a supporting member in such a manner as to be posi...
02/17/1998
5708311Integrated electric motor driven in line hydraulic pump
An integrated electric motor-driven in-line hydraulic pump that includes a housing with an internal shaft, and a cylinder block mounted for rotation on the shaft. The rotor of an electric motor has an internally affixed bearing sleeve that is rotatably su...
01/13/1998
5705869Magnetic axial thrust bearings fabricated on individual stator segments
An axial magnetic thrust bearing stator includes a plurality of laminated cores. Each of the cores is magnetically conductive, situated in a common plane, and symmetrically situated about a center of rotation. A plurality of electrically conductive coils ...
01/06/1998
5703422Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
12/30/1997
5677583Electric motor having rotor with offset against stator
A electric motor is capable of increased output torque and efficiency in utilizing magnetic energy. The electric motor includes a plurality of electromagnets arranged annularly, each of the electromagnets having a magnetically permeable armature and a win...
10/14/1997
5675197Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
10/07/1997
5672923Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
09/30/1997
5656879Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
08/12/1997
5635782Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
06/03/1997
5610460Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
03/11/1997
5606209Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
02/25/1997
5579290Epicycloidal step motor
The stator of the motor comprises two pole pieces (1, 2) which are axially staggered. An axially magnetized cylindrical rotor (5) is disposed in the openings or bores of said pole pieces. The rotor (5) is provided with an external toothing (3) which is co...
11/26/1996
5545943Variable air-gap type driving device
The variable air-gap type driving detector of the present invention for obtaining low speed and high torque outputs required to drive, for example, joints of industrial robots is provided with an elastic supporting means 22, whose one end is supported on ...
08/13/1996
5508572Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
04/16/1996
5497041Low speed geared motor
In a low speed geared motor, a rotational magnetic field is formed in a stator against S-poles and N-poles in a permanent magnetic ring capable of being elliptically deformed. An external gear is rotated while internally meshing with an internal gear by m...
03/05/1996
5479058Geared motor
A geared motor employing a brushless induction motor in nested arrangement, either concentrically inwardly or concentrically outwardly, with a gear reduction device employing two gear wheels, one with interior teeth and one with exterior teeth, said teeth...
12/26/1995
5448117Stepper motor
A stepper motor includes a stator with magnetic poles extending radially outward from a central core to form segments of an outer stator surface, an armature ring fitting loosely over the stator, and a rotor with a drive plate rotationally driven by rolle...
09/05/1995
5426336Magnetic eccentric motion motor
An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in...
06/20/1995
5338993Motor apparatus
An improved motor apparatus includes five motor coils which are connected with a stator and are sequentially energizeable to cause a rotor to nutate and rotate relative to the stator. Control circuitry includes an upper transistor and a lower transistor w...
08/16/1994
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