| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | 냉동 시스템의 압축기 제어 시스템 및 압축기의 제어방법 | KR1020030030348 | 2003-05-13 | KR100525412B1 | 2005-11-02 | 배지영; 장창용; 박경준 |
| 본 발명은 모터의 정/역 회전이 가능한 압축기를 사용하는 냉동 시스템 및 이의 압축기를 제어하는 방법을 개시한다. 본 발명의 일 형태에서는, 구동축이 시계 및 반시계 방향 회전이 가능하고, 상기 구동축의 회전 방향에 따라 서로 다른 토크 특성을 출력하는 모터에 의해 동력을 받아 작동되는 압축기; 상기 모터의 출력 토크 특성을 선택하는 셀렉터; 상기 모터를 온-오프시키는 스위칭부; 그리고 상기 셀렉터를 제어하여 냉각 대상물의 상태에 적합한 토크 특성으로 상기 압축기를 구동시키는 제어유닛을 포함하여 이루어진 냉동 시스템의 압축기 제어 시스템을 제공한다. 본 발명의 다른 형태에서는 (a) 구동축의 회전 방향에 따라 서로 다른 토크 특성을 가지는 모터가 장착된 압축기를 제1 토크 특성으로 기동하는 최초 기동 단계; (b) 상기 모터의 구동 토크 특성을 판단하는 단계; (c) 상기 (b)단계 수행 결과 상기 모터가 제1 토크 특성으로 구동되는 것으로 판단되는 경우, 압축기 구동 중에 제1 조건을 만족하면 압축기가 정지하는 단계; (d) 압축기가 정지된 상태에서 상기 제1 토크 특성으로 계속 운전하는 것이 적합한가를 판단하여 적합할 경우 모터의 구동 토크 특성을 유지하고 적합하지 않을 경우 제2 토크 특성으로 변환한 후, 제2 조건을 만족하면 압축기가 구동되는 단계를 포함하여 이루어진 냉동 시스템의 압축기 운전 제어 방법을 제공한다. | ||||||
| 122 | 진공 펌프 및 진공 펌프의 시동 방법 | KR1020057002801 | 2003-08-11 | KR1020050059076A | 2005-06-17 | 이지마나오키; 와타나베지로; 치노히로유키; 야나기사와기요시; 가와무라다케시 |
| The present invention relates to a vacuum pump and a method of starting a vacuum pump. The vacuum pump includes a pump rotor (1) rotatably disposed in a casing (2), and a pump- rotor controller (15) for controlling rotation of the pump rotor (1) in a forward direction or a reverse direction in accordance with a predetermined pattern at the time of starting the vacuum pump. | ||||||
| 123 | 냉동 시스템의 압축기 제어 시스템 및 압축기의 제어방법 | KR1020030030348 | 2003-05-13 | KR1020040097845A | 2004-11-18 | 배지영; 장창용; 박경준 |
| PURPOSE: A compressor control system and a method of a refrigerating system are provided to output two different torques according to an operation condition of the refrigerating system with one compressor and to operate the compressor with starting torque and driving efficiency corresponding to each condition. CONSTITUTION: A compressor control system of a refrigerating system is composed of a driving shaft(13) for rotating clockwise and counterclockwise; a compressor operated by receiving power by a motor outputting different torque characteristics according to the rotational directions of the driving shaft; a selector(620) for selecting the output torque characteristics of the motor; a switching unit(650) for turning on or off the motor; a control unit(610) for controlling the selector and driving the compressor by the characteristic of torque corresponding to a state of an object to be cooled; and a device for sensing information about the object to be cooled. The control unit controls the selector and the switching unit based on the information sent from the sensing device. | ||||||
| 124 | METHOD FOR TWIN SCREW POSITIVE DISPLACEMENT PUMP PROTECTION | EP16757112.4 | 2016-08-03 | EP3334939A1 | 2018-06-20 | STAVALE, Anthony E.; SEMIDEY, Robert |
| Techniques are provided for protecting a twin screw positive displacement pump, that include a signal processor that receives signaling containing information about power, torque, speed, viscosity and specific gravity related to the operation of the twin screw positive displacement pump; and determines whether to enter an enhanced pump protection mode for the twin screw positive displacement pump based on a relationship between an actual corrected tune ratio and a tuned ratio set point (Tune Ratio SP). In operation, the signal processor determines if the actual corrected tune ratio is <= the actual corrected tune ratio set point (Tune Ratio SP), and if so, then enters the enhanced pump protection mode, else continues to use a basic pump protection mode, and also determines the actual corrected tune ratio based on a ratio of an actual corrected torque (TAcorr) divided by a tuned corrected torque (TTcorr) at a specific operating speed. | ||||||
| 125 | COMPRESSOR | EP15841371 | 2015-09-02 | EP3194780A4 | 2018-05-09 | MOON SEOKHWAN; SA BUMDONG; LEE BYEONGCHUL |
| Disclosed is a compressor having a torque load reducing unit for moving a center of weight to which a gas force is applied. As the torque load reducing unit is formed at an oval-shaped roller, a distance between a rotation center of the roller and an operation point to which a gas force is applied becomes short. This can reduce a torque load to the roller, and can enhance compression efficiency. | ||||||
| 126 | COMPRESSOR HAVING A CONTROL AND DIAGNOSTIC MODULE | EP13841699.5 | 2013-09-24 | EP2917584B1 | 2017-12-20 | PHAM, Hung, M.; ALSALEEM, Fadi, M. |
| An apparatus includes a voltage sensor, a current sensor, and a controller. The voltage sensor measures voltage values of alternating current power supplied to a capacitor. The capacitor is electrically coupled to a compressor. The current sensor measures current values of the alternating current power. The controller is configured to receive the voltage values and the current values. The controller is configured to determine a first power factor value based on at least one of the voltage values and at least one of the current values. The controller is configured to selectively detect a first capacitor fault in response to concurrent determination that (i) the first power factor value is less than a first power factor threshold and (ii) a first current value of the current values is greater than a first current threshold. The first capacitor fault indicates that a capacitance of the capacitor has degraded. | ||||||
| 127 | COMPRESSOR | EP15841371.6 | 2015-09-02 | EP3194780A1 | 2017-07-26 | MOON, Seokhwan; SA, Bumdong; LEE, Byeongchul |
| Disclosed is a compressor having a torque load reducing unit for moving a center of weight to which a gas force is applied. As the torque load reducing unit is formed at an oval-shaped roller, a distance between a rotation center of the roller and an operation point to which a gas force is applied becomes short. This can reduce a torque load to the roller, and can enhance compression efficiency. | ||||||
| 128 | COMPRESSOR HAVING A CONTROL AND DIAGNOSTIC MODULE | EP13841699.5 | 2013-09-24 | EP2917584A1 | 2015-09-16 | PHAM, Hung, M.; ALSALEEM, Fadi, M. |
| 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. | ||||||
| 129 | METHOD OF DETERMINING PUMP FLOW IN ROTARY POSITIVE DISPLACEMENT PUMPS | EP13723583.4 | 2013-04-10 | EP2836945A2 | 2015-02-18 | STAVALE, Anthony, E. |
| Techniques are provided for tuning a rotary positive displacement pump. The techniques include apparatus featuring a signal processor configured to the present invention may take the form of apparatus comprising a signal processor that may be configured to receive signaling containing information about actual pump performance data related to the operation of a rotary positive displacement pump; and determine corrected published pump performance data to operate the rotary positive displacement pump by compensating published pump performance data based at least partly on the actual pump performance data. The corrected published pump performance data may include a corrected published rated power, flow and slip factor, and the actual pump performance data contains information about actual power, specific gravity and viscosity related to the operation of the rotary positive displacement pump and received from a pump controller or controlling device, including a variable frequency drive. | ||||||
| 130 | VACUUM PUMP AND METHOD OF STARTING THE SAME | EP03792666.4 | 2003-08-11 | EP1540185B1 | 2013-02-13 | IIJIMA, Naoki, c/o Ebara Densan Ltd; WATANABE, Jiro, c/o Ebara Densan Ltd; CHINO, Hiroyuki, c/o Ebara Densan Ltd; YANAGISAWA, Kiyoshi, c/o Ebara Corporation; KAWAMURA, Takeshi, c/o Ebara Corporation |
| The present invention relates-to-a-vacuum pump and a method of starting a vacuum pump. The vacuum pump includes a pump rotor ( 1 ) rotatably disposed in a casing ( 2 ), and a pump-rotor controller ( 15 ) for controlling rotation of the pump rotor ( 1 ) in a forward direction or a reverse direction in accordance with a predetermined pattern at the time of starting the vacuum pump. | ||||||
| 131 | ELECTRIC COMPRESSOR | EP07706551 | 2007-01-11 | EP1978254A4 | 2012-12-05 | SAITO SATORU; NARUTA TOMOKAZU; KOYAMA SHIGEYUKI |
| 132 | FLUID MACHINE | EP10755677 | 2010-03-25 | EP2412935A4 | 2012-09-26 | NAKAMURA SHINJI; WADA HIROFUMI |
| 133 | FLUID MACHINE | EP10755677.1 | 2010-03-25 | EP2412935A1 | 2012-02-01 | NAKAMURA, Shinji; WADA, Hirofumi |
Summary Purpose: To provide a fluid machine, the production efficiency and maintenance characteristics of which can be improved while performance is ensured. Means to attain the purpose: A fluid machine (14, 102, 108) has a plurality of fluid units (16, 20) that include rotating bodies (40, 66) and suck/discharge a working fluid along with the rotation of the rotating bodies, and a drive shaft (72) connected with the rotating bodies of the fluid units; and an Oldham's coupling (85) is mounted on a shaft portion between each two adjacent rotating bodies of the drive shaft. |
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| 134 | DOWNHOLE MOTOR ASSEMBLY WITH TORQUE REGULATION | EP08836882.4 | 2008-10-01 | EP2198109A2 | 2010-06-23 | HAY, Richard T.; GAWSKI, Victor |
| A downhole motor assembly for driving a drill bit. The assembly includes a hydraulic drive section with a stator and a rotor located inside the stator to form a flow path between the stator and the rotor. Fluid flowing through the flow path in response to a pressure differential across the hydraulic drive section creates an operative force to rotate the drill bit. The assembly also includes a regulation mechanism that includes a valve and a fluid flow diversion bore for diverting at least some fluid from the flow path when the pressure differential across the hydraulic drive section is greater than or equal to a transition pressure differential. | ||||||
| 135 | FREEZING DEVICE | EP07737852.9 | 2007-03-06 | EP1992820A1 | 2008-11-19 | YAMAGUCHI, Takahiro; ISHIKAWA, Satoshi; YAMADA, Masahiro; FURUSHO, Kazuhiro |
A compressor (20) is provided with compression mechanisms (61, 62) to have four compression chambers (61, 62, 63, 64) in total. In the compressor (20), the first compression chamber (61) and the second compression chamber (62) differ in the phase of capacity changing cycle from each other by 180° and the third compression chamber (63) and the fourth compression chamber (64) also differ in the phase of capacity changing cycle from each other by 180°. In a cylinder nonoperating mode, refrigerant is compressed in a single stage in each of the first compression chamber (61) and the second compression chamber (62) while the refrigerant compression operation is halted in the third compression chamber (63) and the fourth compression chamber (64). In a two-stage compression mode, refrigerant compressed in a single stage in each of the first compression chamber (61) and the second compression chamber (62) is further compressed in the third compression chamber (63) and the fourth compression chamber (64). |
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| 136 | VACUUM PUMP AND METHOD OF STARTING THE SAME | EP03792666.4 | 2003-08-11 | EP1540185A1 | 2005-06-15 | IIJIMA, Naoki,c/o Ebara Densan Ltd; WATANABE, Jiro,c/o Ebara Densan Ltd; CHINO, Hiroyuki,c/o Ebara Densan Ltd; YANAGISAWA, Kiyoshi,c/o Ebara Corporation; KAWAMURA, Takeshi,c/o Ebara Corporation |
| The present invention relates-to-a-vacuum pump and a method of starting a vacuum pump. The vacuum pump includes a pump rotor ( 1 ) rotatably disposed in a casing ( 2 ), and a pump-rotor controller ( 15 ) for controlling rotation of the pump rotor ( 1 ) in a forward direction or a reverse direction in accordance with a predetermined pattern at the time of starting the vacuum pump. | ||||||
| 137 | Reversible gearwheels volumetric machine | EP03011045.6 | 2003-05-19 | EP1365105A1 | 2003-11-26 | Gonzaga, Tullio |
The invention relates to a fluid operated reversible volumetric machine comprising a receiving housing (C), at least two pairs of gear elements (I) mounted for rotation in the receiving housing (C) so that each gear element (I) is in meshing engagement with two adjoining gear elements (I) equal to it, an outer peripheral sequence, with respect to the gear elements, of suction openings or inlets (E) alternating with as many delivery openings or outlet (U) formed in the receiving housing (C), an inner peripheral sequence, with respect to the gear elements, of delivery openings or outlets (U), alternating with as many suction openings or inlets (E) formed in the receiving housing (E), each outer and inner sequence comprising a number of inlets (E) or outlets (U) equal to the number of gear elements (I). |
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| 138 | FLUID CONTROL APPARATUS AND METHOD | EP01931849.2 | 2001-05-16 | EP1297399A1 | 2003-04-02 | KELLY, Alexander |
| The invention provides control apparatus for use with a fluid displacement device, for example a compressor, the control apparatus comprising means (24) to detect the temperature of fluid being displaced by the device and means (11) to control the device independence upon the sensor temperature. Preferably there is also means (22) to sense the pressure of the fluid being displaced by the device, a combination of temperature signals and pressure signals being utilised to control the device. The invention enables very sophisticated monitoring and control to be carried out, for example utilising pre-selected temperature and pressure bands. | ||||||
| 139 | Electric compressor and control method therefor | EP02015851.5 | 2002-07-16 | EP1277959A2 | 2003-01-22 | Odachi, Yasuharu |
When an electric compressor is activated, initial current data is selected by a selector (62), and a motor (1) is driven with the torque corresponding to the initial current data. When the motor (1) is driven by a 1/2 turn, the selector (62) selects current difference data. The current difference data corresponds to an instructed speed. After the switch of the selector (62), the motor (1) is driven to rotate at the instructed speed. |
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| 140 | Torque control apparatus for enclosed compressors | EP84109884.1 | 1984-08-20 | EP0145841B1 | 1989-11-08 | Sutou, Masatsune; Uneyama, Yoshihisa |
