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公开(公告)号：US09702306B2
公开(公告)日：2017-07-11
申请号：US14881557
申请日：2015-10-13
Applicant: Tecogen Inc.
Inventor： Joseph Gehret , Jean Roy , Jian Wen
CPC classification number: F02D31/001 , F02B63/04 , F02D29/06 , F02D41/0205 , F02D41/26 , F02D41/28 , F02D2041/281 , F02D2041/285 , F02D2200/101 , G05B15/02
Abstract: A system and method for controlling an internal combustion engine and electrical inverter system for powering a load, including controlling the operation of a spark-ignited internal combustion engine prime mover used in generation of electrical power by way of a generator. A microprocessor (e.g., DSP) controlled circuit taking engine speed input from an engine speed signal is used to control the operation of the internal combustion engine prime mover so that it is preferably operated substantially at wide open throttle.
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公开(公告)号：US11936327B2
公开(公告)日：2024-03-19
申请号：US17808430
申请日：2022-06-23
Applicant: Tecogen Inc.
Inventor： Joseph Gehret , Robert A. Panora , Jian Wen
Abstract: A hybrid power-generator system includes an engine, an electric generator, first and second rectifiers, first and second DC-DC voltage converters, a DC bus, an inverter, and one or more controllers. The system provides a unique method of joining two power sources such that the relative proportion utilized can be changed to any value seamlessly, such as to avoid daily and/or seasonal variations in utility charges. Since the AC output portion of the circuit is independent of the utility grid, power can be supplied at variable frequencies to motor loads with significant positive impacts in load efficiency. Power increases required by the load(s) that occur rapidly can utilize the electrical grid to assist for the brief transient, allowing the engine, which is maintained at a fixed and wide-open-throttle position, to continue operation and in a more gradual process to resume its blend target for power generation.
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公开(公告)号：US20220416700A1
公开(公告)日：2022-12-29
申请号：US17808430
申请日：2022-06-23
Applicant: Tecogen Inc.
Inventor： Joseph Gehret , Robert A. Panora , Jian Wen
Abstract: A hybrid power-generator system includes an engine, an electric generator, first and second rectifiers, first and second DC-DC voltage converters, a DC bus, an inverter, and one or more controllers. The system provides a unique method of joining two power sources such that the relative proportion utilized can be changed to any value seamlessly, such as to avoid daily and/or seasonal variations in utility charges. Since the AC output portion of the circuit is independent of the utility grid, power can be supplied at variable frequencies to motor loads with significant positive impacts in load efficiency. Power increases required by the load(s) that occur rapidly can utilize the electrical grid to assist for the brief transient, allowing the engine, which is maintained at a fixed and wide-open-throttle position, to continue operation and in a more gradual process to resume its blend target for power generation.
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公开(公告)号：US20170101942A1
公开(公告)日：2017-04-13
申请号：US14881557
申请日：2015-10-13
Applicant: Tecogen Inc.
Inventor： Joseph Gehret , Jean Roy , Jian Wen
CPC classification number: F02D31/001 , F02B63/04 , F02D29/06 , F02D41/0205 , F02D41/26 , F02D41/28 , F02D2041/281 , F02D2041/285 , F02D2200/101 , G05B15/02
Abstract: A system and method for controlling an internal combustion engine and electrical inverter system for powering a load, including controlling the operation of a spark-ignited internal combustion engine prime mover used in generation of electrical power by way of a generator. A microprocessor (e.g., DSP) controlled circuit taking engine speed input from an engine speed signal is used to control the operation of the internal combustion engine prime mover so that it is preferably operated substantially at wide open throttle.
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