| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Compressor diagnostic system | US12652826 | 2010-01-06 | US07980085B2 | 2011-07-19 | Nagaraj Jayanth; Hung Pham |
| A system is provided and may include logic circuitry in communication with an intelligent device. The logic circuitry may process a refrigeration system operating parameter as a function of time and at least one of the logic circuitry and the intelligent device may diagnose a refrigeration system status based on the processing. The intelligent device may output the diagnosis. | ||||||
| 62 | COMPRESSOR DATA MODULE | US11850846 | 2007-09-06 | US20080216494A1 | 2008-09-11 | Hung M. Pham; Nagaraj Jayanth |
| A compressor includes a shell, a compression mechanism, a motor, a data module, and a compressor controller. The data module includes a processor and a memory. The compressor controller includes a processor and a memory. The data module receives sensed data, stores sensed data in the memory, and communicates sensed data to the compressor controller. The compressor controller controls a capacity of the compressor based on the sensed data and is operable to communicate with a system controller of a refrigeration system. | ||||||
| 63 | Control System and Method for Protection Against Breakage of Lubricanting-Oil Film in Compressor Bearings | US11815781 | 2006-04-27 | US20080145240A1 | 2008-06-19 | Marcos Guilherme Schwarz; Roberto Andrich; Fabio Henrique Klein |
| The present invention relates to a control system for protection against breakage of the lubricating-oil film in the bearings of hermetic compressors, as well as to a control method that has the objective of guaranteeing that a variable-capacity compressor should be maintained above a minimum rotation in order to prevent the oil film close to the respective bearing from breaking. One of the forms of achieving the objectives of the present invention is by means of a control system for protection against break of the lubricating-oil film in bearings of hermetic compressors, a microprocessor (10) actuating a set of switches (SW2M) selectively, so as to generate a rotation at the motor-compressor assembly (20, 21), the compressor (21) having a minimum rotation (RPMmin) of the compressor (21) so that the oil film will not be broken. | ||||||
| 64 | Compressor diagnostic system | US10822821 | 2004-04-12 | US07260948B2 | 2007-08-28 | Nagaraj Jayanth; Hung Pham |
| A system includes a compressor receiving fluid from a low-pressure side of a circuit and outputting fluid to a high-pressure side of the circuit. The system also includes a motor drivingly connected to the compressor, at least one high-side sensor operable to measure fluid properties of the high-pressure side of the circuit, at least one current sensor operable to monitor a current drawn by the motor, and processing circuitry receiving fluid property and current information from the at least one high-side sensor and the at least one current sensor and processing the information to determine a system operating condition. | ||||||
| 65 | Rapidly pumping out an enclosure while limiting energy consumption | US11396574 | 2006-04-04 | US20060222506A1 | 2006-10-05 | Jean-Luc Rival |
| A vacuum pumping device of the invention comprises a motor (1) driving a multi-stage dry mechanical pump (2) in which the stages (5, 6, 7, 8) are connected successively in parallel and then in series in a plurality of successive configurations, each of which is selected to optimize the pumping speed in the current pressure range. This makes it possible to lower pressure inside an enclosure (100) quickly while reducing the volume of the pump and the energy consumed by the pump by about 40% compared with a traditional pump having a speed that is sufficient to obtain the same rapidity of pumping. | ||||||
| 66 | Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor | US10901153 | 2004-07-29 | US07102264B2 | 2006-09-05 | Toshihito Yanashima; Keijiro Igarashi; Masaaki Takezawa; Kazuhiko Arai; Eiichi Murata; Noboru Onodera; Shigemi Koiso; Kazuhiro Enomoto; Yoshitomo Nakayama |
| A synchronous induction motor features improved assemblability of a rotor, significantly reduced production cost, and improved operation performance of the motor. A plurality of die-cast secondary conductors is provided around a rotor yoke constituting the rotor of the synchronous induction motor. End rings are die-cast integrally with the secondary conductors on the peripheral portions of both end surfaces of the rotor yoke. Permanent magnets are inserted into slots formed such that they penetrate the rotor yoke. The openings of both ends of the slots are closed by a pair of end surface members formed of a non-magnetic constituent. One of the end surface members is secured to the rotor yoke by one of the end rings when the secondary conductors and the end rings are formed. The other end surface member is secured to the rotor yoke by a fixture. | ||||||
| 67 | Compressor diagnostic method | US11201488 | 2005-08-11 | US20060016200A1 | 2006-01-26 | Nagaraj Jayanth; Hung Pham |
| A method includes determining base-line operating parameters for a compressor, generating a high-side signal indicative of high-side compressor operating conditions, generating a low-side signal indicative of low-side compressor operating conditions, and comparing the high-side and low-side signals to the base-line operating parameters to determine a system operating condition. | ||||||
| 68 | Motor-mounted internal gear pump and electronic device | US11136513 | 2005-05-25 | US20050265860A1 | 2005-12-01 | Hirotaka Kameya; Masato Nakanishi |
| The present invention aims to provide a motor-mounted internal gear pump that is small-sized, less expensive and has high reliability, while utilizing a function of an internal gear pump that is suitable for high head. A motor-mounted internal gear pump has a pump section for sucking and discharging a liquid and a motor section for driving the same. The pump section has an internal rotor having teeth formed around its outer periphery, an external rotor having teeth formed around its inner periphery and a pump casing that accommodates both rotors and has a suction port for sucking a liquid and a discharge port for discharging a liquid. The motor section has a can that composes a part of the pump casing and formed of anon-magnetic material into a thin plate, a rotator arranged at the inside of the can for driving the external rotor or the internal rotor; and a stator arranged at the outside of the can for rotating the rotator. | ||||||
| 69 | Air supply apparatus for stable air supply | US11023557 | 2004-12-29 | US20050163623A1 | 2005-07-28 | Hiroshi Okada |
| An air supply apparatus supplies atmospheric air to an external apparatus such as an air demander. The air supply apparatus comprises a pump, an actuator, a power consumption detector, an air pressure detector, and a controller. The pump takes in atmospheric air and discharges the atmospheric air to the external apparatus. The actuator actuates the pump. The power consumption detector detects a measurement value corresponding to a power consumption of the actuator. The air pressure detector detects a discharge pressure of the atmospheric air discharged by the pump. The controller calculates a criterion value of the measurement value when the pump takes in the atmospheric air at 1 atmospheric pressure and discharges the atmospheric air at the discharge pressure based on the rotational frequency of the pump and the measurement value. The controller also adjusts the rotational frequency based on the measurement value and the criterion value. | ||||||
| 70 | Control device for hybrid compressor | US10791228 | 2004-03-02 | US20040184926A1 | 2004-09-23 | Jiro Iwasa; Masahiro Kawaguchi; Yasuharu Odachi; Masao Iguchi; Akihito Yamanouchi |
| A control device for a hybrid compressor includes a motor driver for driving an electric motor, a clutch controller for driving an electromagnetic clutch and an engine drive timing controller. Power is transmitted from an engine to the compressor when the electromagnetic clutch is connected. The clutch controller sets a connecting force of the electromagnetic clutch to transmit a second starting torque of the compressor. The engine drive timing controller is electrically connected to the motor driver and the clutch controller. The engine drive timing controller commands the motor driver to activate the electric motor to discharge liquid refrigerant from the compression chambers to a predetermined level so that the compressor reduces its starting torque to the second starting torque before commanding the clutch controller to connect the electromagnetic clutch to transmit the power from the engine to the compressor. | ||||||
| 71 | Compressor diagnostic system for communicating with an intelligent device | US10625979 | 2003-07-24 | US20040154319A1 | 2004-08-12 | Nagaraj Jayanth; Hung Pham |
| A compressor includes a motor protector which stops the compressor motor when it senses an out of specification condition. A diagnostic system monitors the status of the motor protector and includes logic circuitry that diagnoses the type of problem the compressor or the system is having based upon the running times and status of the motor in conjunction with the times and status of the tripped motor protector. The diagnostic system also includes either a discharge pressure sensor or a condenser temperature sensor, an ambient air sensor and a voltage sensor. The sensors provide information to the diagnostic system, which enable it to determine where a system fault has occurred. | ||||||
| 72 | Compressor diagnostic system | US09990566 | 2001-11-21 | US06758050B2 | 2004-07-06 | Nagaraj Jayanth; Hung Pham |
| A refrigeration/air conditioning system includes a compressor having a motor protector which stops the compressor's motor when it senses an out of specification condition. A diagnostic system of the refrigeration/air conditioning system monitors the status of the motor protector. The diagnostic system includes logic circuitry that diagnoses the type of problem the compressor or the system is having based upon the running times and status of the motor in conjunction with the times and status of the tripped motor protector. The diagnostic system also includes either a discharge pressure sensor or a condenser temperature sensor, an ambient air sensor and a voltage sensor. The sensors provide information to the diagnostic system which enables it to determine where a system fault has occurred. | ||||||
| 73 | Compressor diagnostic system | US09818271 | 2001-03-27 | US06615594B2 | 2003-09-09 | Nagaraj Jayanth; Hank E. Millet |
| A compressor includes a motor protector which stops the compressor's motor when it senses an out of specification condition. A diagnostic system monitors the status of the motor protector. The diagnostic system includes logic circuitry that diagnoses the type of problem the compressor is having based upon the running times and status of the motor in conjunction with the times and status of the motor protector. | ||||||
| 74 | Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor | US10108047 | 2002-03-28 | US20020140309A1 | 2002-10-03 | Toshihito Yanashima; Keijiro Igarashi; Masaaki Takezawa; Kazuhiko Arai; Eiichi Murata; Noboru Onodera; Shigemi Koiso; Kazuhiro Enomoto; Yoshitomo Nakayama |
| A synchronous induction motor features improved assemblability of a rotor, significantly reduced production cost, and improved operation performance of the motor. A plurality of die-cast secondary conductors is provided around a rotor yoke constituting the rotor of the synchronous induction motor. End rings are die-cast integrally with the secondary conductors on the peripheral portions of both end surfaces of the rotor yoke. Permanent magnets are inserted into slots formed such that they penetrate the rotor yoke. The openings of both ends of the slots are closed by a pair of end surface members formed of a non-magnetic constituent. One of the end surface members is secured to the rotor yoke by one of the end rings when the secondary conductors and the end rings are formed. The other end surface member is secured to the rotor yoke by a fixture. | ||||||
| 75 | Diagnostic System | US16036331 | 2018-07-16 | US20180320690A1 | 2018-11-08 | Hung M. PHAM; Nagaraj JAYANTH |
| A diagnostic system for a compressor is provided. The compressor includes a compression mechanism and a motor. The diagnostic system includes processing circuitry and memory and may be operable to differentiate between a low-side fault and a high-side fault by monitoring a rate of current rise drawn by the motor for a first predetermined time period following compressor startup. The diagnostic system may be operable to predict a severity level of a compressor condition based on a fault history stored in the memory. | ||||||
| 76 | COMPRESSOR PROVIDED WITH AN ELECTRONIC PRESSURE SWITCH AND METHOD OF REGULATING THE PRESSURE WITHIN SUCH A COMPRESSOR | US15952341 | 2018-04-13 | US20180306188A1 | 2018-10-25 | Maarten Van Acker |
| A compressor provided with a compressor element, a motor configured to drive said compressor element and an electronic pressure switch. The electronic pressure switch includes a pressure sensor; a current sensor; a microprocessor unit including a first input port and a second input port; a first communication unit; and a second communication unit. The electronic pressure switch includes a housing. The microprocessor unit, the pressure sensor, the current sensor, the first communication unit and the second communication unit are integrated in said housing. | ||||||
| 77 | PUMP APPARATUS WITH REMOTE MONITORING FUNCTION AND PUMP APPARATUS MONITORING SYSTEM | US15831331 | 2017-12-04 | US20180266422A1 | 2018-09-20 | Chi-Feng Sun; Ching-Yuan Lin |
| A pump apparatus and a pump apparatus monitoring system are disclosed. The pump apparatus monitoring system includes a cloud server, a remote electronic device, a near end electronic device and a pump apparatus. The pump apparatus includes a control module and at least one parameter sensor. The parameter sensor is for sensing at least one parameter of the pump apparatus. The control module transmits the at least one parameter to the near end electronic device. The near end electronic device uploads the at least one parameter to the cloud server via a network. The remote electronic device downloads the at least one parameter from the cloud server via the network. Accordingly, staff at the remote end is able to get parameters of the pump apparatus by the remote electronic device, so as to adjust the pump apparatus. | ||||||
| 78 | System and method for compressor motor protection | US15450404 | 2017-03-06 | US09876346B2 | 2018-01-23 | Frank S. Wallis; Joseph James Rozsnaki |
| A refrigerant compressor includes an electric motor. A current sensor measures current to the electric motor. A switching device is configured to close and open to allow and prevent current flow to the electric motor, respectively. A maximum continuous current (MCC) device generates an output that one of: (i) is an MCC for the electric motor and (ii) is a value indicative of the MCC for the electric motor. A motor protection module: is remote from the MCC device; receives the output wirelessly from the MCC device via an antenna; one of sets a first MCC to the MCC for the electric motor and determines the first MCC based on the value indicative of the MCC for the electric motor; selectively sets a predetermined MCC to the first MCC; and controls the switching device based on a comparison of the current to the electric motor and the predetermined MCC. | ||||||
| 79 | Compressor data module | US14255519 | 2014-04-17 | US09823632B2 | 2017-11-21 | Hung M. Pham; Nagaraj Jayanth |
| A compressor is provided and includes a shell, a compression mechanism, a motor, a data module, and a compressor controller. The data module includes a data module processor and a data module memory. The compressor controller includes a controller processor and a controller memory distinct from the data module processor and the data module memory. The data module receives sensed data, stores the sensed data in the data module memory, determines a first diagnosis of the compressor based on the sensed data, and communicates the sensed data and the first diagnosis to the compressor controller. The compressor controller determines a second diagnosis of the compressor based on the sensed data and verifies the first diagnosis by comparing the first diagnosis to the second diagnosis. | ||||||
| 80 | Compressor Having A Control And Diagnostic Module | US15096196 | 2016-04-11 | US20160226416A1 | 2016-08-04 | Hung M. PHAM; Fadi M. ALSALEEM |
| A system and method includes a power supply that generates an alternating current power for powering a compressor with a capacitor, a voltage sensor that measures voltage values based on the alternating current power, a current sensor that measures current values based on the alternating current power, and a controller. The controller communicates with the voltage sensor and the current sensor, determines a power factor value based on at least one of the voltage values and at least one of the current values, and determines a fault in the capacitor based on the power factor and at least one of the current values. | ||||||
QQ群二维码
意见反馈
意见反馈