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公开(公告)号：US10066617B2
公开(公告)日：2018-09-04
申请号：US14947121
申请日：2015-11-20
Applicant: Emerson Climate Technologies, Inc.
Inventor： Hung M. Pham
Abstract: A system and method for flooded start control of a compressor are provided. An ambient temperature sensor generates ambient temperature data and a compressor temperature sensor generates compressor temperature data. A control module receives the ambient temperature data and the compressor temperature data, determines whether the outdoor ambient temperature is rising faster than the compressor temperature, determines whether the outdoor ambient temperature is greater than the compressor temperature by more than a predetermined threshold for more than a predetermined time period, and, in response to the outdoor ambient temperature rising faster than the compressor temperature and the outdoor ambient temperature being greater than the compressor temperature by more than the predetermined threshold for more than the predetermined time period, operates the compressor according to at least one cycle including a first time period during which the compressor is on and a second time period during which the compressor is off.
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公开(公告)号：US10060636B2
公开(公告)日：2018-08-28
申请号：US14607782
申请日：2015-01-28
Applicant: EMERSON CLIMATE TECHNOLOGIES, INC.
Inventor： Fadi M. Alsaleem , Gregg M. Hemmelgarn
CPC classification number: F24D19/1087 , F24D2220/042 , F25B13/00 , F25B49/00 , F25B49/005 , F25B2500/22 , F25B2500/23 , F25B2500/24 , F25B2700/2106 , F25B2700/21161 , F25B2700/21163 , F25B2700/21172 , F25B2700/21173 , H05K999/99
Abstract: A heat-pump circuit may include an indoor heat exchanger, an outdoor heat exchanger, a compressor adapted to circulate a working fluid between the indoor and outdoor heat exchangers, and an expansion device disposed between the indoor and outdoor heat exchangers. A monitor for the heat-pump system may include a return-air temperature sensor, a supply-air temperature sensor, and a processor. The return-air temperature sensor may be adapted to measure a first air temperature of air upstream of the indoor heat exchanger. The supply-air temperature sensor may be adapted to measure a second air temperature of air downstream of the indoor heat exchanger. The processor may be in communication with the return-air temperature sensor and the supply-air temperature sensor. The processor may be programmed to determine a working-fluid-charge condition of the heat-pump system based on the first and second air temperatures.
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公开(公告)号：US20180238599A1
公开(公告)日：2018-08-23
申请号：US15960077
申请日：2018-04-23
Applicant: Emerson Climate Technologies, Inc.
Inventor： Vijay BAHEL , Kurt James KNAPKE
CPC classification number: F25B49/025 , F25B49/005 , F25B2345/003 , F25B2500/19 , F25B2500/23 , F25B2500/24 , F25B2600/024 , F25B2600/23 , F25B2700/151 , F25B2700/1931 , F25B2700/1933 , F25B2700/2106 , F25B2700/21152 , F25B2700/2116
Abstract: A system includes a compressor driven by a motor. A condenser receives working fluid from the compressor. An evaporator is in fluid communication with the condenser and the compressor. A first sensor produces a first signal, and a second sensor produces a second signal. A processing circuitry processes the first signal and the second signal to determine a new baseline freeze time. The processing circuitry determines the new baseline freeze time for a predetermined time following an installation event, a service event, or a power outage of the compressor.
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公开(公告)号：US20180224922A1
公开(公告)日：2018-08-09
申请号：US15943660
申请日：2018-04-02
Applicant: Emerson Climate Technologies, Inc.
Inventor： Charles E. GREEN , Joseph G. MARCINKIEWICZ
CPC classification number: G06F1/3287 , G05B19/042 , G05B2219/2614 , G06F8/61 , G06F8/654 , G06F9/223 , G06F12/0246 , G06F13/4022 , G06F13/4282 , G06F2212/7201 , H02M1/32 , H02M1/36 , H02M1/42 , H02M1/4225 , H02M2001/0012 , H02M2001/327 , H02M2001/4291 , H02P23/26 , H02P29/02 , Y02B70/126 , Y02D10/42
Abstract: A circuit for driving a motor of a compressor includes a microcontroller, which includes an op-amp, a comparator, a first serial interface, and a first dedicated pin. The op-amp amplifies a value indicating current in a power factor correction converter, which includes a power switch. The comparator asserts a comparison signal in response to the amplified value exceeding a reference value. The comparison signal is output on the first dedicated pin. A programmable logic device (PLD) includes a second serial interface in communication with the first serial interface and a second dedicated pin. The comparison signal is received on the second dedicated pin and the PLD receives control messages from the microcontroller via the second serial interface. The PLD sets a value in an off-time register based on a control message from the microcontroller. The PLD controls the power switch according to the comparison signal and the off-time register.
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公开(公告)号：US20180223851A1
公开(公告)日：2018-08-09
申请号：US15948760
申请日：2018-04-09
Applicant: Emerson Climate Technologies, Inc.
Inventor： Kirill M. Ignatiev , Michael M. Perevozchikov
CPC classification number: F04C29/025 , F04C18/0215 , F04C23/008
Abstract: A compressor is provided and may include a shell, a motor assembly, a compression mechanism, a pump housing, and at least one pump. The shell includes a fluid disposed therein. The motor assembly is disposed within the shell and is drivingly engaged with a driveshaft. The compression mechanism is driven by the driveshaft. The pump housing is rotatably disposed within the shell for rotation relative to the driveshaft and relative to the shell. The at least one pump is rotatably disposed within the pump housing such that the at least one pump is in driving engagement with the driveshaft.
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Patent Agency Ranking
公开(公告)号：US20180223823A1
公开(公告)日：2018-08-09
申请号：US15831423
申请日：2017-12-05
Applicant: Emerson Climate Technologies, Inc.
Inventor： Kirill M. IGNATIEV , Michael M. Perevozchikov , Kevin J. Gehret
Abstract: A compressor may include a shell, a non-orbiting scroll, an orbiting scroll, and a discharge valve member. The shell may define a discharge chamber. The non-orbiting scroll may be disposed within the discharge chamber and includes a first end plate and a first spiral wrap extending from the first end plate. The orbiting scroll may be disposed within the discharge chamber and includes a second end plate and a second spiral wrap extending from the second end plate. The first and second spiral wraps mesh with each other to define fluid pockets therebetween. The second end plate includes a discharge passage extending therethrough. The discharge valve member may be attached to the second end plate and may be movable between an open position allowing fluid flow from the discharge passage to the discharge chamber and a closed position restricting fluid flow from the discharge passage to the discharge chamber.
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公开(公告)号：US10028399B2
公开(公告)日：2018-07-17
申请号：US15099071
申请日：2016-04-14
Applicant: Emerson Climate Technologies, Inc.
Inventor： Edward J. Trudeau , Kenneth R. Barnett , Yogesh Shelgaonkar , Manoj Pralhad Khairnar
CPC classification number: H05K7/02 , F04B49/06 , F04B49/065 , F04B49/10 , F04B51/00 , F04C28/28 , F04D27/008 , Y10T29/49117
Abstract: A compressor may include a shell, a terminal assembly and an electronics module. The terminal assembly may engage the shell and may include an outwardly extending conductor and a terminal fence at least partially surrounding the conductor. The electronics module may include a back plate having an opening through which the terminal fence may be received. The back plate may include an engagement feature and a spring element. The engagement feature may removably engage the terminal fence. The spring element may contact the shell and bias the back plate away from the shell.
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公开(公告)号：US20180195781A1
公开(公告)日：2018-07-12
申请号：US15868712
申请日：2018-01-11
Applicant: Emerson Climate Technologies, Inc.
Inventor： Michael A. SAUNDERS , Rajan RAJENDRAN , Scott FRASER
CPC classification number: F25D29/008 , F25B1/10 , F25B5/02 , F25B7/00 , F25B40/00 , F25B41/04 , F25B41/043 , F25B43/02 , F25B49/02 , F25B2400/0401 , F25B2400/075 , F25B2400/13 , F25B2400/22 , F25B2600/2501 , F25B2600/2513 , F25B2700/197 , F25B2700/21152 , F25D2400/14 , F25D2400/36 , F25D2700/10
Abstract: A refrigeration system includes first and second compressors and an oil separator. The oil separator includes an inlet for receiving refrigerant and oil from the first compressor, a refrigerant outlet, and an oil outlet. The oil separator separates the oil from the refrigerant. A portion of the oil separator below a horizontal plane intersecting the refrigerant outlet collects separated oil and has a volume equal to a first compressor oil supply. The first compressor oil supply is greater than or equal to 100% and less than or equal to 250% of a first compressor initial oil charge. The first compressor receives oil from the oil outlet when an amount of oil in the portion is less than or equal to the first compressor oil supply. The second compressor receives oil from the refrigerant outlet when the amount of oil in the portion is greater than the first compressor oil supply.
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公开(公告)号：US09991834B2
公开(公告)日：2018-06-05
申请号：US15494591
申请日：2017-04-24
Applicant: Emerson Climate Technologies, Inc.
Inventor： Joseph G. Marcinkiewicz , Charles E. Green , Michael I. Henderson
CPC classification number: H02P21/22 , B60H1/00428 , F25B49/025 , F25B2500/26 , F25B2600/021 , F25B2700/171 , H02P6/12 , H02P6/21 , H02P21/141 , H02P21/18 , H02P29/0241 , Y02T10/88
Abstract: A method of operating an electric motor is disclosed. The method includes: determining a d-axis resistance of an electric motor and a Q-axis resistance of the electric motor as a function of a bulk current; determining a d-axis inductance of the electric motor and a Q-axis inductance of the electric motor as a function of the bulk current; generating an estimated flux of the electric motor based on the d-axis resistance of the electric motor, the Q-axis resistance of the electric motor, the d-axis inductance of the electric motor, and the Q-axis inductance of the electric motor; generating an estimated angle of the electric motor based on the estimated flux of the electric motor; and, based on the estimated angle of the electric motor, controlling switching of an inverter that powers the electric motor.
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公开(公告)号：US20180106520A1
公开(公告)日：2018-04-19
申请号：US15783517
申请日：2017-10-13
Applicant: Emerson Climate Technologies, Inc.
Inventor： Frank S. WALLIS , Randall KNICK , Diane Belinda PATRIZIO , Richard Allen MIU
CPC classification number: F25B49/022 , F04B49/02 , F04B49/10 , F04B49/20 , F04B2201/0402 , F04B2201/0804 , F04B2205/01 , F25B5/02 , F25B41/043 , F25B49/005 , F25B49/02 , F25B2400/075 , F25B2500/08 , F25B2500/26 , F25B2500/28 , F25B2600/0261 , F25B2600/2513 , F25B2600/2515 , F25B2700/15 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , F25B2700/21152 , F25B2700/21161 , F25B2700/21163 , F25B2700/21171
Abstract: A system includes a sensor and a controller for a refrigeration or HVAC system having a compressor. The sensor senses a temperature of the compressor during operation of the compressor. The controller is configured to determine a rate of change of the temperature relative to time and to perform one or more procedures to protect the compressor based on the rate of change of the temperature. The one or more procedures to protect the compressor include shutting down the compressor, throttling a pressure regulator valve of an evaporator associated with the compressor, adjusting an expansion valve associated with the evaporator, reducing speed of the compressor, and partially or wholly unloading the compressor.
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