Patents by Inventor Jim Chabucos
Jim Chabucos has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20070022767Abstract: A method and apparatus for refrigeration system control includes a control system operable to modulate a suction pressure of each of the refrigeration circuits by controlling an evaporator pressure regulator respectively associated with each of the refrigeration circuits independently of evaporator refrigerant superheat to meet cooling demand. A sensor assembly provides refrigeration case temperature and evaporator pressure regulator valve position data to the control system to determine cooling demand.Type: ApplicationFiled: October 6, 2006Publication date: February 1, 2007Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Patent number: 7150156Abstract: A probe and method for simulating refrigerated product temperature includes a housing containing a thermal mass having thermo-physical properties similar to refrigerated food product, a temperature sensing element operable to measure the temperature of the thermal mass, and a transceiver in communication with the sensing element and operable to wirelessly transmit data from a refrigeration display case to a remote receiver.Type: GrantFiled: February 11, 2004Date of Patent: December 19, 2006Assignee: Computer Process Controls, Inc.Inventors: William Gatling, Herb Rippe, Jim Chabucos, Abtar Singh
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Patent number: 7134294Abstract: A method and apparatus for refrigeration system control includes a control system operable to meet cooling demand and control suction pressure for a plurality of refrigeration circuits each including a variable valve and an expansion valve. The controller controls the variable valve independently of the expansion valves to meet cooling demand by determining a change in a measured parameter and controlling at least one of the variable valves based upon the change to an approximately fully open position.Type: GrantFiled: May 13, 2005Date of Patent: November 14, 2006Assignee: Computer Process Controls, Inc.Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John G Wallace
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Patent number: 7013661Abstract: A method for controlling refrigeration including a simulated product temperature sensor operable to measure a simulated product temperature from a refrigeration case and a transceiver in communication with said simulated product temperature sensor and operable to wirelessly transmit data. A receiver receives the wirelessly transmitted data and a controller in communication with the receiver controls the refrigeration system based upon the wirelessly transmitted data from the refrigeration case.Type: GrantFiled: October 15, 2002Date of Patent: March 21, 2006Assignee: Computer Process Controls, Inc.Inventors: William Gatling, Herb Rippe, Jim Chabucos, Abtar Singh
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Patent number: 6983618Abstract: A method and apparatus for refrigeration system control includes an evaporator pressure regulator and sensor in communication with one of a plurality of refrigeration circuits. The sensor is operable to measure a parameter of the refrigeration circuit. A controller is operable to adaptively control a suction pressure of the compressor rack based upon the measured parameter, whereby the controller controls a circuit temperature for one of the plurality of circuits. Further, the controller is operable to control the electronic evaporator pressure regulator to control the temperature in the one of a plurality of refrigeration circuits by determining a change in the parameter and updating a set point based upon the change of parameter.Type: GrantFiled: July 17, 2003Date of Patent: January 10, 2006Assignee: Computer Process Controls, Inc.Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Publication number: 20050204759Abstract: A method and apparatus for refrigeration system control includes a control system operable to meet cooling demand and control suction pressure for a plurality of refrigeration circuits each including a variable valve and an expansion valve. The controller controls the variable valve independently of the expansion valves to meet cooling demand by determining a change in a measured parameter and controlling at least one of the variable valves based upon the change to an approximately fully open position.Type: ApplicationFiled: May 13, 2005Publication date: September 22, 2005Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Patent number: 6779918Abstract: A probe and method for simulating product temperature includes a housing containing a thermal mass having thermo-physical properties similar to food product, a temperature sensing element operable to measure the temperature of the thermal mass, and a transceiver in communication with the sensing element and operable to wirelessly transmit data.Type: GrantFiled: March 17, 2003Date of Patent: August 24, 2004Inventors: William Gatling, Herb Rippe, Jim Chabucos, Abtar Singh
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Publication number: 20040159714Abstract: A probe and method for simulating refrigerated product temperature includes a housing containing a thermal mass having thermo-physical properties similar to refrigerated food product, a temperature sensing element operable to measure the temperature of the thermal mass, and a transceiver in communication with the sensing element and operable to wirelessly transmit data from a refrigeration display case to a remote receiver.Type: ApplicationFiled: February 11, 2004Publication date: August 19, 2004Inventors: William Gatling, Herb Rippe, Jim Chabucos, Abtar Singh
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Publication number: 20040016252Abstract: A method and apparatus for refrigeration system control includes an evaporator pressure regulator and sensor in communication with one of a plurality of refrigeration circuits. The sensor is operable to measure a parameter of the refrigeration circuit. A controller is operable to adaptively control a suction pressure of the compressor rack based upon the measured parameter, whereby the controller controls a circuit temperature for one of the plurality of circuits. Further, the controller is operable to control the electronic evaporator pressure regulator to control the temperature in the one of a plurality of refrigeration circuits by determining a change in the parameter and updating a set point based upon the change of parameter.Type: ApplicationFiled: July 17, 2003Publication date: January 29, 2004Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Patent number: 6601398Abstract: A method for refrigeration system control according to the invention includes identifying a lead circuit having a lowest temperature set point from a plurality of circuits, wherein each circuit includes at least one refrigeration case. The suction pressure set point for a compressor rack is initialized based upon the identified lead circuit, and a change in suction pressure set point is determined based on measured parameters from the lead circuit. The suction pressure set point is updated based upon the change in suction pressure set point. A first valve position for a first electronic evaporator pressure regulator associated with a first refrigeration circuit is determined based on the determined change in suction pressure set point, which is based upon the measured parameters from the lead circuit. A second valve position for a second electronic evaporation pressure regulator associated with a second refrigeration circuit is based upon a second measured parameter.Type: GrantFiled: May 16, 2002Date of Patent: August 5, 2003Assignee: Computer Process Controls, Inc.Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Publication number: 20030132303Abstract: A probe and method for simulating product temperature includes a housing containing a thermal mass having thermo-physical properties similar to food product, a temperature sensing element operable to measure the temperature of the thermal mass, and a transceiver in communication with the sensing element and operable to wirelessly transmit data.Type: ApplicationFiled: March 17, 2003Publication date: July 17, 2003Inventors: William Gatling, Herb Rippe, Jim Chabucos, Abtar Singh
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Patent number: 6578374Abstract: A method for refrigeration system control according to the invention includes identifying a lead circuit having a lowest temperature set point from a plurality of circuits, wherein each circuit includes at least one refrigeration case. The suction pressure set point for a compressor rack is initialized based upon the identified lead circuit, and a change in suction pressure set point is determined based on measured parameters from the lead circuit. The suction pressure set point is updated based upon the change in suction pressure set point. A first valve position for a first electronic evaporator pressure regulator associated with a first refrigeration circuit is determined based on the determined change in suction pressure set point, which is based upon the measured parameters from the lead circuit. A second valve position for a second electronic evaporation pressure regulator associated with a second refrigeration circuit is based upon a second measured parameter.Type: GrantFiled: August 28, 2002Date of Patent: June 17, 2003Assignee: Computer Process Controls, Inc.Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Publication number: 20030051493Abstract: A method for refrigeration system control according to the invention includes identifying a lead circuit having a lowest temperature set point from a plurality of circuits, wherein each circuit includes at least one refrigeration case. The suction pressure set point for a compressor rack is initialized based upon the identified lead circuit, and a change in suction pressure set point is determined based on measured parameters from the lead circuit. The suction pressure set point is updated based upon the change in suction pressure set point. A first valve position for a first electronic evaporator pressure regulator associated with a first refrigeration circuit is determined based on the determined change in suction pressure set point, which is based upon the measured parameters from the lead circuit. A second valve position for a second electronic evaporation pressure regulator associated with a second refrigeration circuit is based upon a second measured parameter.Type: ApplicationFiled: August 28, 2002Publication date: March 20, 2003Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Publication number: 20030037554Abstract: A method for controlling refrigeration including a simulated product temperature sensor operable to measure a simulated product temperature from a refrigeration case and a transceiver in communication with said simulated product temperature sensor and operable to wirelessly transmit data. A receiver receives the wirelessly transmitted data and a controller in communication with the receiver controls the refrigeration system based upon the wirelessly transmitted data from the refrigeration case.Type: ApplicationFiled: October 15, 2002Publication date: February 27, 2003Inventors: William Gatling, Herb Rippe, Jim Chabucos, Abtar Singh
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Patent number: 6502409Abstract: A system and method for controlling refrigeration including a simulated product temperature sensor operable to measure a simulated product temperature from a refrigeration case and a transceiver in communication with said simulated product temperature sensor and operable to wirelessly transmit data. A receiver receives the wirelessly transmitted data and a controller in communication with the receiver controls the refrigeration system based upon the wirelessly transmitted data from the refrigeration case.Type: GrantFiled: May 3, 2000Date of Patent: January 7, 2003Assignee: Computer Process Controls, Inc.Inventors: William Gatling, Herb Rippe, Jim Chabucos, Abtar Singh
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Publication number: 20020174669Abstract: A method for refrigeration system control according to the invention includes identifying a lead circuit having a lowest temperature set point from a plurality of circuits, wherein each circuit includes at least one refrigeration case. The suction pressure set point for a compressor rack is initialized based upon the identified lead circuit, and a change in suction pressure set point is determined based on measured parameters from the lead circuit. The suction pressure set point is updated based upon the change in suction pressure set point. A first valve position for a first electronic evaporator pressure regulator associated with a first refrigeration circuit is determined based on the determined change in suction pressure set point, which is based upon the measured parameters from the lead circuit. A second valve position for a second electronic evaporation pressure regulator associated with a second refrigeration circuit is based upon a second measured parameter.Type: ApplicationFiled: May 16, 2002Publication date: November 28, 2002Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Patent number: 6449968Abstract: A method and apparatus for refrigeration system control is provided. The refrigeration system includes a plurality of circuits with each circuit having at least one refrigeration case. An electronic evaporator pressure regulator is in communication with each circuit and is operable to control the temperature of the corresponding circuit. A plurality of compressors are also provided with each compressor forming a part of a compressor rack. A pressure sensor is used for measuring the suction pressure of the compressor rack. A sensor is in communication with each circuit and is operable to measure a parameter from each circuit. A controller controls each electronic evaporator pressure regulator and the suction pressure based upon the measured parameters from each circuit.Type: GrantFiled: February 1, 2002Date of Patent: September 17, 2002Assignee: Computer Process Controls, Inc.Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Publication number: 20020104326Abstract: A method and apparatus for refrigeration system control is provided. The refrigeration system includes a plurality of circuits with each circuit having at least one refrigeration case. An electronic evaporator pressure regulator is in communication with each circuit and is operable to control the temperature of the corresponding circuit. A plurality of compressors are also provided with each compressor forming a part of a compressor rack. A pressure sensor is used for measuring the suction pressure of the compressor rack. A sensor is in communication with each circuit and is operable to measure a parameter from each circuit. A controller controls each electronic evaporator pressure regulator and the suction pressure based upon the measured parameters from each circuit.Type: ApplicationFiled: February 1, 2002Publication date: August 8, 2002Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace
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Patent number: 6360553Abstract: A method and apparatus for refrigeration system control is provided. The refrigeration system includes a plurality of circuits with each circuit having at least one refrigeration case. An electronic evaporator pressure regulator is in communication with each circuit and is operable to control the temperature of the corresponding circuit. A plurality of compressors are also provided with each compressor forming a part of a compressor rack. A pressure sensor is used for measuring the suction pressure of the compressor rack. A sensor is in communication with each circuit and is operable to measure a parameter from each circuit. A controller controls each electronic evaporator pressure regulator and the suction pressure based upon the measured parameters from each circuit.Type: GrantFiled: March 31, 2000Date of Patent: March 26, 2002Assignee: Computer Process Controls, Inc.Inventors: Abtar Singh, Jim Chabucos, Paul Wickberg, John Wallace