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| Number | Title | Issue Date |
| 7265515 | Starter for a line start electric motor The invention concerns a starter for a line start electric motor having at least one main winding (4) and at least one start winding (12) and which start winding is connected in series with a run capacitor (14) with which a start capacitor (1... | 09/04/2007 |
| 7061204 | Motor starter device having reduced power consumption A motor starter for use with a motor (20) having a main winding (M) and a start winding (S). The starter has a PTC thermistor (30) connected in series with the start winding (S). A triac (40) is connected between PTC thermistor (30) and a... | 06/13/2006 |
| 6239523 | Cutout start switch A motor start switch includes a temperature responsive resistor element and a bimetal cutout switch electrically connected in series with a start winding of an electric motor. The cutout switch is operable between an open position disconnecting the temper... | 05/29/2001 |
| 5952811 | Device for shutting off current through a motor start-up circuit after a specified wait period A device for automatically shutting off a current is used in combination with a motor start-up component incorporated in a motor-driving circuit including an auxiliary coil which operates at a start-up time of a motor and a main coil for its steady-state ... | 09/14/1999 |
| 5451853 | Starting device for a single phase induction motor A starting device for a single phase induction motor can reduce the power consumption and restart in a short time. The starting device for the single phase induction motor having a main winding and a starting winding comprises a starting positive temperat... | 09/19/1995 |
| 5192887 | Starting multi-speed motors at a low speed connection A multi-speed electric motor (1) has a main electrical winding (3) and an auxiliary electrical winding (5) connected in parallel. One additional electrical winding (21) is connected in series with the parallel connected main and auxiliary windings, and an... | 03/09/1993 |
| 4574229 | Power efficient motor starter and circuit breaker for an induction motor A motor starter and protection circuit is disclosed wherein a bimetallic contact support supports moveable contacts which are electrically interconnected with stationary contacts during normal non-overload conditions. Current from the power support passes... | 03/04/1986 |
| 4500825 | Self-starting single-phase synchronous motor A self-starting single-phase synchronous motor without an auxiliary coil comprises a diametrically magnetized permanent-magnet rotor and a two-pole stator provided with exciter coils. A PTC resistor (5) is arranged in the circuit (1) of the exciter coils.... | 02/19/1985 |
| 4499517 | Motor protector particularly suited for use with compressor motors A motor protector of the type having a snap acting thermostatic element is shown particularly adapted for use with compressor motors in which a conventional three pin header is mounted on the compressor casing to allow electrical energization of the motor... | 02/12/1985 |
| 4445079 | Electromagnetic relays An improved electromagnetic relay having a wafer of material with positive temperature coefficient of resistivity (PTC) mounted inside the relay combines a sturdy construction with low manufacturing costs adapting the relay for use as a starting relay for... | 04/24/1984 |
| 4422120 | Combination starter-protector device A combination starter-protector device for a winding circuit of a dynamoelectric motor comprises a housing structure having a perforated wall dividing the interior of the housing structure into starter and protector compartments. The starter compartment a... | 12/20/1983 |
| 4272714 | Starter device for a single-phase asynchronous motor The invention relates to a starter device for single phase, asynchronous motors, the starter device being of the type which provides a PTC resistor for series starting operation with the auxiliary winding. The starter device may be used for different type... | 06/09/1981 |
| 4198669 | Compact PTC resistor A compact resistor device comprises a body of ceramic material of positive temperature coefficient of resistivity having a large number of passages extending through the body between opposite ends of the body, thereby forming very thin webs of the resisto... | 04/15/1980 |
| 4161681 | Prime mover, method of operating such and circuit A prime mover adapted for energization to a preselected speed therefor across a power source. The prime mover has a pair of winding means for excitation so as to effect the energization of the prime mover generally to the preselected speed when it is ener... | 07/17/1979 |
