1
Gerald B Kliman, Rudolph A Koegl, John R Krahn, William J Premerlani: Electrical motor monitoring system and method. General Electric Company, Nixon & Vanderhye P C, July 17, 2001: US06262550 (91 worldwide citation)

An integrated motor monitoring system collects, analyzes, and stores to database(s) on-line and off-line coordinated real-time motor data for industrial AC and DC motors. On-line coordinated real-time motor data from both on-motor sensors and remote sensors at a motor control center are collected si ...


2
Peter Albert Heidhues: System for interfacing between a plurality of processors having different protocols in switchgear and motor control center applications by creating description statements specifying rules. General Electric Company, Carl B Horton, Cantor Colburn, February 29, 2000: US06032203 (58 worldwide citation)

An interface system for use in switchgear and motor control center applications so that communications may occur between different field devices and process control computers using different protocols and requiring different data formats. The interface system translates fieldbus protocols and data f ...


3
Masatomo Takagi, Seietsu Takamatsu, Tsuguo Noritake, Mitsuo Ogaki, Norio Tetsuka, Toshio Takahashi: Motor control center. Tokyo Shibaura Denki Kabushiki Kaisha, Oblon Fisher Spivak McClelland & Maier, December 8, 1981: US04305114 (39 worldwide citation)

In a motor control center of the present invention, a plurality of units are mounted on a frame. Each of these units has an appliance mounting plate with two walls which extend transversely from the floor plate in stepped form. A first group of electrical appliances which requires relatively frequen ...


4
Sturdivan Rex E: Cell construction for motor control center for separate disengaging of terminal blocks and bus stabs. Zinsco Electrical Products, December 7, 1971: US3626253 (38 worldwide citation)

A cabinet for electrical controls of the like, typically a motor control center, having cubicals for slidingly receiving control units with conductors for engaging bus bars and terminal blocks for engaging mating terminal blocks in the cabinet. A sliding plate on the control unit carrying the contro ...


5
Samir F Farag, John D Kleinecke, Randy M Smith: Solenoid-actuated mechanical interlock for a motor controller. Siemens Energy & Automation, F W Powers, J L James, March 24, 1987: US04652966 (30 worldwide citation)

A solenoid actuated mechanical interlock is provided for the draw-out type circuit breaker mechanism of a motor control center. The interlock is formed by the plunger of the solenoid engaging a slot in the bellcrank mechanism of the draw-out unit. Electric circuitry controls operation of the solenoi ...


6
Tommie Shane Goodwin, Robert R Coil, Leon Daniels, Eldridge R Byron: Medium voltage motor control center instrument compartment. Square D Company, David R Stacey, Larry T Shrout, Larry I Golden, January 28, 2003: US06512669 (30 worldwide citation)

A medium voltage controller for electrical equipment, such as motors, transformers, reactors, and capacitors, having an arc resistant cabinet, swaged internal electrical connections, a one-piece self-aligning withdrawable finger cluster, a pull-out instrument compartment, a load discharge device, ca ...


7
Russell Cox, Stephen M Ledbetter: Advanceable and retractable plug-on unit assembly for a motor control center. Square D Company, L I Golden, R T Guttman, December 6, 1988: US04789919 (28 worldwide citation)

An assembly supporting a plug-on switch unit on a mounting pan pivotally supported within a unit enclosure of an electrical control center and movable between a first position in which the plug-on jaws of the switch unit are connected to respective bus bars within the motor control center and a seco ...


8
Gerald Burt Kliman, James Henry Dymond: Sensorless estimation of rotor temperature in induction motors. General Electric Company, Marvin Snyder, Douglas E Stoner, March 28, 2000: US06042265 (26 worldwide citation)

Rotor temperature in induction motors is estimated without the need for any direct temperature sensors, by using only computer calculations based on data readily available in the motor control center. Thus for any given motor, it is generally possible to predetermine a relationship between rotor tem ...


9
Ronald J Fritsch: Latch for removable control unit of a motor control center. Eaton Corporation, L G Vande Zande, September 6, 1988: US04768967 (26 worldwide citation)

A lever pivotally mounted on a forward brace of a removable control unit abuts a pin on the cabinet for limiting direct insertion of the unit to a depth insufficient to effect electrical engagement of plug-in connectors of the unit with bus bars in a motor control cabinet, such engagement requiring ...


10
Edgar Yee, Robert Allan Morris, Scott Edward McPherren, Neal Edward Rowe: Motor control center subunit having moveable line contacts and method of manufacture. Eaton Corporation, Ziolkowski Patent Solutions Group SC, March 30, 2010: US07688572 (23 worldwide citation)

A system and method for connecting supply power to motor control components includes use of a motor control center subunit with moveable supply power contacts. After a motor control center subunit is secured into a motor control center compartment, the supply power contacts may be advanced to engage ...