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Patent Searching and Data


Matches 651 - 700 out of 13,860

Document Document Title
WO1992014927A3  
WO/1992/020131A2
A permanent magnet generator having a plurality of permanent magnet generator units which produce a controlled output potential by mutual magnetic flux linkage between the permanent magnet generator units to produce the controlled output...  
WO/1992/016993A1
A controlled motor (1) with a control system (3) which, with a processor stage and power control components (11), generates the driving current for the motor windings depending on at least one of the external command signals transmitted ...  
WO/1992/014927A2
A pump (1) can be quickly connected and precisely fitted to an electric motor (2). To this end, a hollow, pin-shaped attachment (6) which can engage in an insert recess (5) of the pump is formed on the pot-shaped motor housing (7), in pa...  
WO/1992/013381A1
An electric motor is known which is used especially to drive motor vehicle windscreen wipers and has a gearcase and a metal cover with an outer and inner side and a plastic moulding essentially sprayed on the cover and in which is embedd...  
WO/1992/007728A1
A motor-wheel comprises an axle (1), a rim (2) mounted rotatably about the axle (1), a voltage control unit (32) and an electric motor comprising a stator (4) secured on the axle (1) and provided with a magnetic circuit (5) with electrom...  
WO/1992/002070A1
Proposed is an electrical machine, in particular an electrical motor, which has a rotor consisting of a hollow cylindrical armature core (11) carrying an armature (13). The stator of the electrical machine has magnet poles (23, 24) stagg...  
WO/1991/015892A1
The method includes fabricating a plurality of elongated high permeability flux carrying members (86), and preparing n wire bundles (84) each having a predetermined length. The n wire bundles (84) are wound to provide a distributed windi...  
WO/1991/013486A1
A resonably priced, 2 parallel pole synchronous motor, suitable for high temperatures, for use on a direct current network, has a mechanical commutation device. This device consists of a commutator (44) located coaxially to the rotor (11...  
WO/1991/013487A1
The proposal is for an electric motor drive (10) with a commutator motor (11) which comprises a brush holder (18) with which contact is possible with an arrangement (20) bearing at least parts (21, 22) of an electronic motor control. The...  
WO/1991/012646A1
A lightweight electromotive device with a high power-to-weight ratio capable of operating as an efficient motor, alternator or generator includes a magnetic-flux producing assembly comprising spaced magnetic elements (32, 33) and an arma...  
WO1991006146A3  
WO/1991/010068A1
A heater for a motor vehicle heater comprises a burner with a combustion air blower. A series resistor is fitted for part-load operation. This resistor is arranged in a casing (2, 6) surrounding the electric motor (4) driving the blower ...  
WO/1991/009449A1
A slotless, brushless, large air-gap electric motor (10) comprises a stator (14) having a field winding (22) and field backiron (24), the field winding being composed of a plurality of successively offset polygonal shaped turns so as to ...  
WO/1991/008919A1
The power unit for a vehicle includes a thermal engine (1) and an electric motor (2). At low speed, the electric motor (2) has a driving torque higher than the thermal engine's (1) load moment. The electric motor (2) is designed to opera...  
WO/1991/006146A2
A structured product family of electric motor models that utilize a maximized number of common component parts in a maximum number of different applications and methods for assembling various motor sub-components is disclosed. The motor ...  
WO/1991/003856A1
An electric motor, in particular a small-size electric motor for driving windscreen wipers in motor vehicles, comprises a pot-shaped motor housing a front face of which is closed by an end shield of a gear housing, a gear pot which accom...  
WO/1991/003866A1
Several commutator motor designs are proposed which are capable of providing smooth and rapid short-circuit braking together with good commutation. These designs call firstly for the armature to be connected in the motor operation phase ...  
WO/1991/003385A1
A motor-wheel for electromobiles, bicycles, invalid wheel-chairs, in which the electromagnets (14, 15) of the rotor (12) of a commutator electric motor are arranged along a circumference in a pair of groups offset in relation to each oth...  
WO/1991/003095A1
In order to produce a moisture-proof join, which is simple in design and easy to assemble, between the motor housing (1) and the bearing plate (5) with the electrical leads (6, 7) coming out through it, the invention calls for the leads ...  
WO/1991/001060A1
An electric-motor-driven window operating system for installation in motor vehicle doors with a drive unit (2) arranged in a damp-proof housing (1) and connected to a rotation speed sensor (30) and controllable by an electronic control a...  
WO/1991/000639A1
Described is a generator set for the supply of electrical power, preferably for motor vehicles. The frequency-governed internal-combustion engine (BKM) used is an air-cooled or liquid-cooled radial motor with a blower fan (38) rigidly co...  
WO/1990/010974A1
An actuator device for an electric window winder (101) comprising an electric motor (104) driving a recirculating ball worm screw unit for movement of a pre-compressed screw (112) for displacing the window, and comprising a specific elec...  
WO/1990/003061A1
This invention relates to a rotary machine. The main technical object of this invention is to take out to the outside using one electric motor two kinds of rotational force of difference directions of rotation. To attain this object, a s...  
WO/1990/002435A1
The shaft of a miniature electric motor is usually mounted in sinter bearing blocks (7). Axial fastening is effected by starting collars (9, 10) which co-operate with the axial surfaces of the sinter bearing blocks (7). Axial vibrations ...  
WO/1990/002063A1
A drive, in particular for windscreen wiper systems in motor vehicles, has a d.c. motor (10) which can rotate at at least two different speeds and which has a collector (11), a first and a second brush (12, 13) which rest essentially dia...  
WO/1989/012925A1
Servo-driven motors are fitted with a tacho generator in which the radially arranged magnetic-pole pairs of a rotor generate, in radially arranged, meander-shaped coil windings mounted on a circular plate, a voltage which is dependent on...  
WO/1989/012347A1
An electric motor with iron-cored disk armature consists of at least three armatures. The central disk (1) is made of dynamo sheet by reeling-up. The coils (2) consist of wires that are situated on the lateral surfaces or in slots of the...  
WO/1989/011751A1
An electric machine, in particular an electric machine capable of being switched by electronic components, has a permanent-magnetic excitation part (22) and an induction part (2) provided with electroconductors (10), both parts being mov...  
WO/1989/010653A1
A synchronous motor has an alternate arrangement of N-poles and S-poles in a field system and is driven by sinusoidal current in a three-phase star connection. The magnetic flux distribution in the gaps between the armature and the field...  
WO/1989/008942A1
A conventional three pole D.C. motor has a third brush (9) placed at an acute angle of 60 degrees to one of the normal brushes (6, 7) and positioned to contact the commutator plates (C1, C2, C3). A motor energizing circuit is normally of...  
WO/1989/008345A1
A cordless power-operated device, such as a saw (20), is powered by a low level D.C. voltage provided by battery pack cells to operate the saw in a cordless mode. The cells are housed in a container (32) which fits into a cavity (23) for...  
WO/1989/007247A1
Device for measuring temperatures and rotational speeds of rotating parts, in particular shafts of electric machines such as motors and generators. Marks (2) which change in function of the temperature are placed on a shaft (4). A fixed ...  
WO/1989/006454A1
A commutator motor comprises poles consisting of two or three pole pieces and a one-part or three-part field winding on a stator forming a magnetic return path and operable in either direction or in a direction which can be switched. The...  
WO/1989/002671A1
A permanent magnet rotary dynamo electric machine (10) such as a high speed three phase brushless motor has at least one stator (16) and at least one rotor (11) spaced apart from one another by a cylindrical gap (28) therebetween. A plur...  
WO/1989/002668A1
In an electric machine, magnets are arranged in circle or in line, with their magnetization directions at an angle with respect to each other, in such a way that a polygonal field is created inside the magnet arrangement and stray fields...  
WO/1989/002183A1
To reduce slot ripple in a so-called radial type synchronous motor, a rotor (32) is composed of a plurality of unit rotor elements (34a, 34b) divided in a longitudinal direction and juxtaposed with one another, and their angular position...  
WO/1989/001257A1
A unitary end bell (66) includes a body (90) and a bridging section (92) and is assembled with a laminated stator stack (74) in the formation of a stator subassembly (150). End bell (66) is formed with base surfaces (118) at one end ther...  
WO/1988/009077A1
The motor (10) has a motor housing (11) sealed against the environment and made of a material having good thermal conductivity, such as aluminium, which is provided with external screens made from an electrically non-conductive material....  
WO/1988/007782A1
A wind-powered magneto-electric generator of which magnetic rotors (36, 37) are on a common shaft (17) direct-driven from a wind-turbine (Figs, 8, 9 and 10) to generate in stators (18, 19) an electromotive force (EMF) which is controlled...  
WO/1988/006815A1
In a brush device, a storage portion (16) for storing and holding each brush (13) and each brush spring (14) for pressing the brush (13) towards a commutator (1) and an outlet opening (17) for a lead wire (18) of the brush are disposed o...  
WO/1988/004490A1
An armature used for an electric motor or the like for an engine starter, wherein a ring (11) made of an annular steel plate is fitted via an insulating paper (12) onto the outer periphery of commutator segments (2), to which armature co...  
WO/1988/001802A1
An electric motor comprises an armature with a collector rotatably mounted inside a housing, as well as a support plate (10), essentially perpendicular to the rotation axes of the armature in the housing, said plate consisting of an elec...  
WO/1987/007452A1
Stator in which the field-coil consists of a series-connected primary winding and secondary winding. Not only the series-connected primary winding (6), but also the series-connected secondary winding (7) can be produced by an automated p...  
WO/1987/003148A1
Electrical machine in particular for starting systems, in the casing (1) of which are arranged permanent magnets (4 to 9) with corresponding flow guide elements (10 to 15). The permanent magnets (4 to 9) and flow guide elements (10 to 15...  
WO/1987/002839A1
A d.c. generator for cranking devices of internal-combustion engines. The d.c. generator comprises a housing (1) in which pairs of poles (2; 3) carry a wave-winding (5). The pairs of poles (2; 3) are mutually offset in the direction of t...  
WO/1987/001247A1
In a d.c. motor, the stator may form the armature and has its windings (2a, 2a1, 2B, 2b1, 2c, 2c1) inserted in slots in its cylindrical surface and the rotor may comprise a permanent magnet or be provided with d.c. windings (4a, 4b). Swi...  
WO/1987/000361A1
A commutator machine, in particular a small-size direct current motor with at least one pair of permanent magnets (11) supported on a magnetic return-circuit section (10) and made from a uniform ferrite material or a composite material w...  
WO/1986/007505A1
The commutating machine excited by permanent magnets, particularly consisting of a small motor for motor vehicles, is provided with soft iron auxiliary poles (16) carried by the armature (13) of the stator in order to obtain a series mou...  
WO/1986/004467A1
A numerically-controlled electromechanical precision drive system in which a plurality of low-current servomotor units (1, 1') are arranged in a circle around the driven shaft (4) or push rod (20) of an intermediate gear-wheel (3) in suc...  

Matches 651 - 700 out of 13,860