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WO/1985/002896A1 |
Electric floor lamp comprising a generally conical base (3) rotatably mounted on a stationary annular base (1). A column (4) is fixed on and extends upward from the conical base (3). At the upper end of the column (4), a laterally extend...
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WO/1985/002456A1 |
An apparatus (11) for rotatably supporting a temperature probe (7) incorporated in an oven which employs a turntable (5), the temperature probe (7) being adapted to sense the temperature of the object being heated. To prevent any leakage...
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WO/1984/000645A1 |
A brush-holder for a collector electric motor comprises, as a support member, a simple plane plate (10) cut out so as to form recesses (20) for the sliding of the brushes (12) and orifices (26) for the retention of springs (14). Each spr...
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WO/1983/000777A1 |
A brush commutator arrangement for an electrical machine, such as a micromotor or fractional horsepower machine. The arrangement has a commutator shaped to give at least one point-of-leave which is different for different segments (I, II...
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WO/1983/000778A1 |
The collector ring for electric machines comprises an insulating sleeve (3) fabricated separately and having on its outer surface (9) a groove (4). The sleeve may thus be fabricated with an asbestos-free material.
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WO/1982/001444A1 |
In a twin-terminal rotary connection for electrical power leads with two sliding contacts, consisting of two circular contact rings mounted axially on a rotating inner component and two contact springs located in an outer component, the ...
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WO/1982/001104A1 |
Controllers for brush-type multiple windings electrical motor. There has been a lack of a reliably-operating, efficient controller for such brash-type machine. The invention provides for torque control of a multiple winding electrical mo...
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WO/1981/003584A1 |
A versatile electrical fiber brush, which solves the problem of good brush performance while at the same time brush wear, comprising the following components: a brush body (10) made of matrix material, embedded in which is at least one s...
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WO/1981/001774A1 |
Multipassages rotating collector intended to operate according about a substantially vertical axis. The electric paths are established by means of multiple contacts as shown (11) (in figure 11), these contacts being located on insulating...
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WO/1981/001083A1 |
A component for carrying windings, such as an armature (2), is coupled in fixed angular relationship to a component for carrying contacts, such as a commutator (3), on a common rotor shaft (1). A projection (11) formed on the commutator ...
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WO/1980/002481A1 |
A method of connecting armature coil ends by means of an ultrasonic welding process to a plurality of segments arranged peripherally on a shaft and integrally molded to a commutator. The armature coil ends are connected to the segments o...
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WO/1979/000144A1 |
A rotary coupling for transmitting electric current and fluid between a rotating (2) and a stationary (1) body. The electric current is transmitted by way of slip rings (15) provided on an insulating sleeve (8). In axial grooves (12) of ...
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JP2024047553A |
The object of the present invention is to create a slip ring module that allows easy and economical manufacture and is of high quality, for example with regard to high-speed data transmission. The present invention relates to a slip ring...
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JP7446070B2 |
To provide a technique capable of obtaining an effect of reducing electromagnetic noise generated during arc discharge in an electric contact device in a wide frequency band.A rotating electric machine 1 includes an electric contact devi...
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JP7440147B1 |
[Structure] The terminal and base of the brush module have a through hole in the center. A recess extending radially from the through hole of the terminal provides a positioning portion for the brush holder. The brush holder includes a b...
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JP2024025505A |
An object of the present invention is to provide a rotary connector that can both conduct large current and maintain reliability of electrical connection. A rotary connector 1 includes a first assembly 2 having a first terminal 10 and a ...
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JP7434922B2 |
To provide a DC motor of which the enlargement is suppressed.A positive electrode side plate 250 comprises an intermediate part 51 interposed between brush holders 240 which are arranged side by side in a circumferential direction, and a...
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JP7429033B2 |
A brush for a motor for electrical equipment in an automobile includes a main brush portion containing carbon and an abrasive having a Vickers hardness higher than or equal to 10 GPa and lower than or equal to 14 GPa. The sliding noise o...
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JP7429203B2 |
The present invention reduces maintenance cost of a rotary machine product and enhances an environmental value of the rotary machine product by extending a service life 5 of a whetstone. A maintenance device of the present invention for ...
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JP2024504251A |
This invention relates to a discharge device (1,1',1'') for discharging current from a rotor part having a shaft (2) of a device, the discharge device (1,1',1'') comprising a guide It comprises an axially movable contact element (3) whic...
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JP2024502025A |
A busbar assembly including a carrier and a plurality of conductors disposed within the carrier such that at least a portion of each of the plurality of conductors is radially exposed to define a contact site. will be disclosed.
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JP2024500233A |
The invention relates to the use of a contact device, a machine and a discharge device for transmitting current from a rotor part of a machine, the rotor part being formed by a shaft (11) and/or a slip ring, the discharge device comprise...
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JP2023553389A |
A brush assembly is disclosed for use in a brush holder assembly of an electrical device. The brush assembly has a carbon brush, a conductive terminal, and a conductive lead assembly attached to both the carbon brush and the conductive t...
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JP7400598B2 |
In response to a measured value of temperature of a stator by a thermometer exceeding a first temperature threshold, an overheat signal may be output to a rotor of a rotary connector via a communication device. In response to the measure...
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JP2023166194A |
To provide a brush device capable of suppressing increase in magnetic sound.A brush device 10 comprises a brush 30 that contacts a commutator 87, a brush holder 20 that houses the brush 30, a spring 50 that urges the brush 30 toward the ...
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JP2023548564A |
An exemplary brush holder assembly is disclosed for placing a conductive carbon brush in contact with a conductive surface of an electrical device. In some aspects, an exemplary brush holder assembly includes a brush holder including a b...
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JP7382382B2 |
The present invention is a sliding contact material for a motor brush, the sliding contact material being obtained by using pure Ag as a matrix and dispersing ZnO particles and Ta2O5 particles in the matrix, wherein the content of the Zn...
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JP2023165227A |
To provide an easy-to-assemble slip ring assembly, a slip ring device, and a manufacturing method of the slip ring assembly.A plurality of annular slip rings 20 made of a conductive material and a plurality of annular insulating rings 24...
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JP2023547910A |
A system and method for reducing voltage on a rotating plate is disclosed. One example grounded pen brush comprises two or more bundles of conductive filaments separated from each other by a threshold distance. [Selection diagram] Figure 1
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JP2023163418A |
To provide a rotary electric machine which can suppress conduction between a slip ring and a brush from becoming unstable.A rotary electric machine comprises: a rotor in which a field winding is wound around a rotor core; a rotating shaf...
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JP2023136944A |
To provide a slip ring assembly in which a product having a changed adjustment amount of a dynamic balance can be relatively easily produced while the production cost is suppressed.A slip ring assembly that is mounted on a shaft of a rot...
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JP7347229B2 |
To provide a DC motor capable of performing drainage.A DC motor comprises: brush holders 340 each holding a brush 30 in an accommodated state; and a housing 80 including a cylindrical part 81 and accommodating the brush holder 340 therei...
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JP2023128151A |
To provide a brush support device capable of suppressing unnecessary movement of a brush in a brush holder.A brush support device 60 comprises: a columnar brush 70 for supplying electricity to a commutator 43 of a DC motor; a brush holde...
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JP2023124185A |
To directly reduce the amount of wear on a brush for rotary electric machine.The mixing ratio of graphite and copper, which are materials for a brush for rotary electric machine, is 2:1 to 4:1 by weight.SELECTED DRAWING: Figure 2
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JP2023533715A |
Systems and methods are disclosed for reducing voltage on rotating shafts in oil-rich environments exposed to viscous fluids or immersed in oil. Exemplary ground brush assemblies are configured to extend through a viscous medium surround...
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JP2023105935A |
To provide a slip ring device which can stably transmit an electric signal and power.A slip ring device includes: a plurality of rotation side electric wires 2 to be connected to a rotary apparatus; a plurality of stationary side electri...
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JP2023531367A |
The present invention relates to a grounding contact (10) for conducting current from a rotor part (11) of a machine, in particular a vehicle, a rail vehicle, to a stationary stator part (12) of the machine, the rotor part having an axis...
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JP2023531369A |
The present invention relates to a conductor element (77), a rail vehicle having conductor elements, and a method for conducting electrostatic charges from a shaft (80), the conductor element comprising a holder (78) and a conductor asse...
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JP2023096290A |
To provide an electric brush which enables production of a graphite coating containing an adequate moisture to achieve a stable sliding state.An electric brush according to the present invention comprises metal powder, graphite powder an...
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JP7282469B2 |
Provided is a rotation connector capable of maintaining a stable application of an electric current between members accompanying a rotation, wherein the rotation connector comprises: a one-side rotating member (2) which has conductivity ...
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JP7282695B2 |
A slip ring assembly is usable with a surgical shaft assembly. The slip ring assembly includes a first connector flange comprising a conductor. The slip ring assembly further includes a second connector flange comprising a conductive ele...
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JP7279430B2 |
To provide a DC motor capable of suppressing commutator wear.A DC motor 40 used for a starter S for starting an engine includes: a commutator 20 formed of copper or a copper alloy of 99% or more of copper; and a brush 30 for sliding on a...
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JP7271780B1 |
A rotating connector capable of transmitting an AC wave even if the number of cables to be connected is large. A rotating connector includes a case and a rotating body, each of which includes a core ring, a first GND ring, a second GND r...
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JP2023059380A |
To provide a corrector ring and a rotary electric machine capable of reducing an abrasion loss of a brush.A sliding face of a corrector ring 5 attached to a rotor part 1 of a rotary electric machine is coated by a coating body which is s...
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JP2023059570A |
To provide an underwater swivel capable of transmitting at least one of electric power and signals, having a rotation mechanism that requires less starting torque for rotation and does not require insulating oil.In an underwater swivel 1...
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JP7250337B2 |
The metal graphite grounding brush including silver is made in slide contact with a peripheral surface of an axle and grounds the axle. The mass ratio between silver and carbonaceous components including a volatile component in the brush...
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JP2023512632A |
The present invention relates to a roller bearing (2), in particular a ball bearing especially used in surgical instruments, which roller bearing is designed to transfer or transmit electrical signals and for this purpose is integrated i...
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JP7241445B1 |
SUMMARY OF THE INVENTION An object of the present invention is to provide a connector device for a motor-driven appliance which is excellent in vibration resistance and safety, and which can be easily separated and connected. The present...
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JP2023037039A |
To provide an electric motor and the like capable of suppressing efficiency loss even when driven at low voltage and high-speed rotation.An electric motor 2 includes: a rotor 10 with a shaft 13 and a commutator 14 mounted on the shaft 13...
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JP2023029242A |
To provide a rotary connector that can stably function over a long period of time.A rotary connector includes an outer peripheral electrode 30, an inner peripheral electrode 20 inserted into the outer peripheral electrode 30 and arranged...
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