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Patent Searching and Data


Matches 601 - 650 out of 13,506

Document Document Title
WO/1990/000832A1
A switched reluctance motor drive system (10) with phase windings (12) and commutator switches (21-23) is provided with a setting device (15) for operating the commutator switches (21-23). In a first condition the setting device (15) ope...  
WO/1989/012266A1
A device for properly detecting the generation of excessive positional deviation in a servo system for a wide range of rotational speed of a servo motor to correctly and quickly determine the overload condition of the servo motor. A cent...  
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/1989/008946A1
Process for position-stopping of a device (1) provided with a horizontal drum (5) rotated by an asynchronous electric motor (6), characterized in that it comprises means for signalling the position of the drum (5), means for interrupting...  
WO/1989/007165A1
In a known stopping process, the motor is brought to a standstill by repeated braking and then driven again until the main shaft of the sewing machine reaches a certain desired position. In the new process, the duration of the stopping p...  
WO/1989/006394A1
A spindle orientation controller couples a spindle motor (2) via coupling means (5) with a main spindle (4) which produces a signal (LS) indicating its approximate stop position and a signal (MS) indicating its definite stop position. Th...  
WO/1988/009584A1
A control system for an alternating current motor (40), such as an elevator hoisting induction motor, in response to failure of power supply (10), such as service interruption, phase open and so forth, performs in a first emergency contr...  
WO/1988/006817A1
A control system for an electric motor includes a detector associated with a regenerated power absorbing circuit for monitoring operation of the regenerated power absorbing circuit for detecting an abnormal condition thereof. The control...  
WO/1988/005225A1
A motor controller comprising a discharge circuit (7) which decreases the voltage regenerated by a motor (5) to a drive circuit (4) when an AC servo motor or the like is braked, a protection circuit (8) which protects the discharge circu...  
WO/1988/003337A1
To brake commutator motors (2) having an armature (3) and at least one split or continuous field coil (4, 5) independently of an outer energy supply, circuit elements have switching means (8) via which the armature (3) and the field coil...  
WO/1988/002950A1
An improved motor control for banknote handling apparatus (10). An improved stacker pusher motor arrangement (200) has a defined cycle of operation. The time it takes the stacker pusher motor (116) to complete a predetermined portion of ...  
WO/1988/001450A1
An apparatus for controlling an adjustable-speed alternating current motor coupled to drive an elevator cage. The apparatus includes a converter connected to a source of AC power for converting the AC power into DC power, an inverter con...  
WO/1988/000123A1
A method of controlling an injection motor in an injection molding machine having an overheat preventing function to reliably set the injection molding conditions in which the injection motor will not be overheated. When the injection mo...  
WO/1987/007790A1
A regeneration control system for a servo motor (9) of an automatic carrier car which is powered by a storage battery (7) and which effects regeneration control during deceleration. A feedback voltage from a tacho-generator (10) of the s...  
WO/1987/002501A1
A brake pulse generating circuit determines the direction of rotation of a capstan motor at the edges of signals FG1 and FG2 by using D-type flip-flops (21, 22, 23 and (24) and a NOR gate (25). A brake pulse f having a longer pulse width...  
WO/1986/004753A1
Method and device for braking an asynchronous motor by applying a direct current to the field windings. In order to achieve accurate supply time of the braking current the AC voltage appearing at the outer terminals (4, 6) of two mutuall...  
WO/1984/002813A1
Control system (28) for controlling the supply of power to a motor (12) having an armature (34) and a plugging diode (38) connected across the armature (34), including a circuit (14) for producing direction command signals, a circuit (98...  
WO/1984/002812A1
Control system (46) for controlling the supply of power to a motor (12) to produce plugging electrical braking and current limit control, including a circuit (60) for controlling the direction of energization of the motor (12), a circuit...  
WO/1984/000450A1
In an intermittent windshield wiper system in which the time between wiping cycles depends upon the degree of dryness of the windshield and upon the speed of the wiper blades on the downstroke of the wiping cycle toward the dwell positio...  
WO/1983/004349A1
An apparatus for processing the regenerative energy of an AC motor comprises a regeneration-detecting logic circuit (7) outputting a regeneration detection signal when it detects that a semiconductor switch for an AC motor drive is not c...  
WO/1982/002127A1
A digital servo control system for a d.c. motor (20) to achieve stepping motor precision and a wider speed control range than either a conventional d.c. motor or a stepping motor, as may be typically utilized in an IV syring pump. Motor ...  
WO/1982/001840A1
A torch for gas welding in a narrow deep edge preparation under a shielding gas atmosphere comprises a current collecting mouthpiece (1) with an electrode (2) and a nozzle for feeding the shielding gas to the welding zone, that nozzle be...  
WO/1982/001450A1
A direct-current brake control circuit having a construction in which an electromagnetic brake solenoid (35) and a transistor (52) for controlling the current in the solenoid are connected in series with a direct-current source (8), and ...  
WO/1981/001920A1
Simple and economical device allowing the recovery of energy stored by the grid-leak inductances of the electrical machine connected to the thyratron inverter. According to the invention, the device comprises a transformer of which the p...  
WO/1980/002482A1
A propulsion system for an electrically driven traction vehicle includes a chopper (12), a d-c traction motor (11), and means (103, 132, M) effective when the system is operating in a motoring mode for connecting the chopper in series wi...  
WO/1980/001526A1
A digital logic control system for a battery-powered direct current motor having an armature (20) and a separately excited field (21). The operator-demanded speed and the actual motor speed are continuously compared to determine whether ...  
JP2019199362A
[Subject] An improvement Sata induction motor control method is provided for accuracy of position at the time of a slowdown and a stop. [Means for Solution] A step which outputs output voltage corresponding to instruction frequency of a ...  
JP2019198207A
[Subject] It is in providing a revolving speed control method of a motor that vibration which occurs from a motor, and noise can be reduced. [Means for Solution] An operation step which power supply current passes through a bridge drivin...  
JP2019193632A
[Subject] Offer of a work device which can prevent generating of regeneration power from being able to process appropriately regeneration power which occurs in an electric motor (consumption), and having a bad influence on an output of a...  
JP2019195237A
[Subject] A short circuit brake circuit which can produce braking torque effectively also at the time of a high velocity revolution is provided. [Means for Solution] It is a controllable short-circuit current way so that it may be connec...  
JP6602810B2  
JP2019190294A
[Subject] Provide a restart device which can control motion broth of vehicles at the time of interrupting engine re-starting. [Means for Solution] A manual transmission is shifted to a run gear after a re-start control part starts engine...  
JP2019193439A
[Subject] Electric power is made to consume until current which flows into a power consumption device through a power consumption element (for example, resistive element) reaches a predetermined maximum. [Means for Solution] Monitor volt...  
JP6596816B2  
JPWO2018105718A1
Abstract TECHNICAL PROBLEM It is in making a bicycle brake based on the conditions which the braking conditions of the bicycle were set up except the user and set up except the user. Solving means With server 4, personal digital assistan...  
JP2019170056A
[Subject] A motor controlling device which can attain shortening of distance until a servo motor stops is provided. [Means for Solution] Speed detector 19 for being motor controlling device 10 which controls servo motor 20 for carrying o...  
JP2019166020A
[Subject] Provide a game machine which can stabilize an action in case a movable object stops. [Means for Solution] Pachinko game machine PY1 is provided with the following. Facing movable object 400 which can move to a storing position ...  
JP6581814B2  
JP2019161924A
[Subject] A move subject is prevented from colliding with a circumference thing even if it is the time of taking off a brake and moving a move subject manually. [Means for Solution] Motor controlling device 10 which controls servo motor ...  
JP2019162024A
[Subject] High electric current should flow into power electronics parts in an electric drive machine, such as a controllable solid state switch and a diode, and provide an electric drive machine which reduces a possibility that an elect...  
JP2019149916A
[Subject] When load of a motor increases under a state without current supply to a motor, ease a burden on electronic parts which bear a non-power supply regenerative braking function. [Means for Solution] Drive controlling device 1 of a...  
JP2019149917A
[Subject] Realize full independence type non-power supply braking with simple circuit composition. [Means for Solution] Drive controlling device 1 of a motor of an embodiment outputs a driving control signal to motor driving section 10 a...  
JP2019148293A
[Subject] It is made to operate efficiently. [Means for Solution] A good gear change speed-increasing gear is provided with the following. Epicyclic gear gearbox 10 which makes rotation driving force transmitted from electric device 50 c...  
JP2019146361A
To achieve adaptive control of a servo motor while suppressing generation of a cost increase.An auto air-conditioner ECU 30 executes drive control intended for a servo motor 21 for blowout mode door drive installed on an automatic air-co...  
JP2019141969A
To provide a control device of a robot capable of removing an influence of backlash generated in a drive mechanism of an arm.When a revolving shaft 25 is restricted by a brake 26, a microcomputer 13 for control sets a torque limit value ...  
JP2019146478A
To provide a method for supporting adjustment of a heat engine by a rotary electric machine.In the method for supporting adjustment of a heat engine (11) of an automobile by generation of resistance torque by a rotary electric machine (1...  
JP2019137076A
To provide an electric brake device which has high serviceability.In the electric brake device which presses a friction member on a rotor rotating along with a wheel by force of an electric motor, it controls pressing force with feedback...  
JP6562798B2  
JP2019134501A
To suppress the variance of lapses of time until a backup operation is determined to start after a power cut occurs.A motor driving device 10 comprises: a rectifying circuit 12 for rectifying an alternating-current input voltage Vi suppl...  
JP6556183B2  

Matches 601 - 650 out of 13,506