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WO/1997/001464A1 |
Decribed is a drive for a windshield wiper, consisting of an electric motor (1), a gear train (2) and an electronic unit (23) to control the motor. Provided also is a parking position switch that is operated by the main gearwheel (6) of ...
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WO/1997/001466A2 |
The invention concerns a housing (3) for a mechanism (2), in particular a mechanism (2) for a windscreen wiper system. The mechanism housing (3) is made of glass fibre-reinforced plastics, is open on one side and is closed there by a met...
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WO/1997/001465A1 |
The invention concerns a mechanism housing (3) with integrated electronics, the mechanism (2) and the electronics unit (23) being disposed in a common basic body (20). The basic body (20) comprises two recesses (25, 60) whose openings le...
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WO/1996/041410A1 |
In an ordinary DC motor in a windshield wiper, operating speed tends to increase as the motor brushes become seated. The invention counteracts this tendency by providing a brush geometry which causes the effective angular position of a b...
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WO/1996/036101A1 |
The invention can be used in electrical engineering, specifically in direct current (d.c.) machines, and in any other technical field in which electrical drives and generators are used. In essence, the invention lies in the fact that the...
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WO/1996/033547A1 |
A drive device with an electric motor with permanent magnets (12, 13) and a pole pot (10) and a relay (2) switching the motor current with at least one electromagnet, containing a relay coil (11, 32) and a relay armature (21), and with a...
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WO/1996/024067A1 |
Such a device has a Hall sensor (7) fitted on a printed circuit board (8) as an SMD component. To a rotor spindle (3) of an electric motor is fitted a magnetic wheel (6) which generates a rotary magnetic field as it rotates. According to...
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WO/1996/019662A1 |
Lower-layer coil ends (537) and upper-layer coil ends (534) forming the first and second connecting portions are held in abutment with the end face of an armature core (500) through insulators and, hence, the inertias of cylindrical comm...
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WO/1996/005649A1 |
A DC electric motor system includes a rotor portion having a commutator and a coil winding mounted radially about a shaft, and a stator portion including two rows of spaced permanent magnets about either side of the rotor coil winding. P...
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WO/1995/032543A1 |
A multi-speed, direct current motor (120) incorporates a high speed (24) brush disposed between the low speed (22) and the common ground (26) brushes and having a non-arcuate end face (25) which , unlike the conventional arcuate brush en...
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WO/1995/019656A1 |
A direct current motor (10) having an armature (62) supported between magnetic pole plates (12, 14, 42, 56) having pairs of dual pole shoes (34, 34'-35, 35'; 36, 36'-37, 37') extending between the plates in diametric opposition with resp...
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WO/1995/017779A2 |
An electrical machine, such as an electric motor, dynamo or alternator has a casing (26) with cooling vents (64) enabling cooling fluid (F) to flow into and out of the casing when the rotor (10) of the electrical machine rotates. The rot...
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WO/1995/016298A1 |
A direct current motor (10) having an armature (28) axially supported between magnetic pole plates (15-16, 17-18, 19-20) having opposing pairs of pole shoes (50-52; 60-62) extending in interdigital parallel opposition with respect to the...
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WO/1995/002915A1 |
An electromechanical machine (10) includes a field producing assembly (18) which is constructed so as to have an annular gap (20) circumferentially disposed about an axis of rotation and to produce a magnetic field across the gap (20) wh...
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WO/1995/002916A1 |
A driving device (21) for a vehicle part adjustable between end positions has an electric motor (22) linked by a reducing gear (23) to a driving pinion (20) that seats on a driven shaft and is in turn in driving relationship with the adj...
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WO/1994/029935A2 |
Disclosed is an improvement to the stability of D.C. motor brushes mounted in brush boxes with wings, is improved by angling the wings toward the commutator such that the brush spring contacts the brush at one or more points intermediate...
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WO/1994/028613A1 |
A permanent magnet direct current motor (5) and a battery means (12) for providing electrical power to the permanent magnet direct current motor is disclosed, where the resistance of the permanent magnet direct current motor is substanti...
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WO/1994/026017A1 |
Direct current machines with duplex or multiplex lap windings are usually provided with 2nd or 3rd type equalizers arranged between the armature core disk package and the armature shaft. These embodiments require spider shaft of costly c...
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WO/1994/021027A1 |
The invention relates to an inverse speed motor, especially a universal motor, with a braking device and a stator having a field winding and a rotating armature powered via a commutator and brushes and a suitable circuit for switching th...
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WO/1994/017301A2 |
An electric motor has a multislotted rotor (16) and a multipole stator accommodated in a housing (12). The stator poles (14) extend in the direction of the rotor axis (6) whereas the rotor slots (22) are inclined with respect to the roto...
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WO/1994/016491A1 |
A direct current motor (10) having one or more armatures (70, 72) supported between magnetic pole plates (12, 14) having pairs of pole pieces (34-35, 36-37, 38-39, 40-41) extending, in diametric opposition with respect to the periphery o...
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WO/1994/013051A1 |
Brushless dynamoelectric machines (30) utilizing conventional DC armature construction. The winding (17) of the armature (31) is modified by providing a set of three leads (37, 38, 39) to its coil ring circuit (36) at point spaced angula...
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WO/1994/011162A1 |
The invention relates to a power tool (1) which in the embodiment is portable, self-contained and which has a push button switch (3), and power means in the form of ten 1.2 volt rechargeable batteries (12), rechargeable v_i_a_ a rechargi...
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WO/1994/011941A1 |
The invention relates to a Johnson 50274 D.C. permanent magnet motor having a 3- and 7-tooth armature. Figures 1 (a, b, c, d) relates to a conventional 32 turn per coil wound Johnson 50274 motor, each of the wound poles having a 0.75 mm ...
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WO/1993/021682A1 |
A direct current motor (10) having a plurality of armatures (43-45) supported between magnetic pole pieces (12-14) energized by direct current through one or more iron core coils (18-19) interposed between the magnetic pole pieces. Wirin...
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WO/1993/019458A1 |
An active attenuation system for a DC motor (11) which yields global vibration reduction of slot or other motor induced tonals at the plate on which the motor is mounted without modifying the construction of the motor. The system compris...
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WO/1993/017486A1 |
A device for eliminating overvoltages caused by a magnetic armature reaction in armature phase windings of dynamo-electric machines, by compensating for the natural mutual inductances between each phase winding and the others in the arma...
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WO/1993/015546A1 |
An electric motor to drive the road wheel of a wheelchair has a stator (6) and a rotor (12, 13), both of which are arranged axially symmetrically around a motor shaft (1) and at least one of which is stored by an electric power store to ...
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WO/1993/008635A1 |
A rotary electric machine constructed on the basis of a new operational principle, which is operated by utilizing a magnetic repulsive force as its driving force. In the rotary electric machine, a rotor and a stator are provided concentr...
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WO/1993/008634A1 |
A rotary electric machine constructed on the basis of a new operational principle, which is operated by using a magnetic repulsive force as its driving force and can be utilized as a motor, etc. In the rotary electric machine, provided a...
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WO/1993/005561A1 |
An electric tool, especially a hand-held tool (1) comprises a housing consisting especially of half-shells (49), and an electric motor (2) in the form of a reversible collector motor with a motor shaft (5) bearing a rotor (3). A bearing ...
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WO/1993/001644A1 |
A flat coreless DC motor having a large output torque and high efficiency at high speeds. The three-phase flat coreless DC motor comprises flat armature coils, and a disc-like rotary armature, or a fixed armature. The flat armature coils...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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 ...
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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...
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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 ...
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