| 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 | Multi-axis synchronization drive unit and gear processing equipment | JP6707589 | 1989-03-17 | JP2858319B2 | 1999-02-17 | HASEGAWA MIKIO; SHIRAISHI TAKESHI |
| 122 | Electronic motor synchronization with discharge machine | JP50129295 | 1994-06-03 | JPH08511075A | 1996-11-19 | ザルメン、アンドレアス; シュテッフェンス、ラルフ |
| (57)【要約】 少なくとも２つのロータ（１４a−c）を有する圧縮性媒体のための吐出機械において、上記ロータは輪郭体として形成され、その輪郭は回転中に歯車のように互いにかみ合い、個々のロータは夫々それら自身のモータ（９a−c）によって駆動され、電子的な閉ループおよび／あるいは開ループ制御ユニット（１;２５a−c）によって吐出機のユニット段階の伝達比に従って回転速度および角度位置における同期性が維持される。 エレクトロニクスがポンプの更なる操作データを監視するため、および回転速度を変化させることによってポンプの出力を調和させるために使用される。 また、上記エレクトロニクスは過負荷防護として使用される。 ロータの回転速度と回転姿勢は個々にかつ互いに独立して制御され、要求姿勢値は主制御ユニット（１）によって個々の制御ユニット（２５a−c）に対して指定される。 | ||||||
| 123 | Positive displacement pump | JP15860994 | 1994-07-11 | JPH0828471A | 1996-01-30 | MARUYAMA TERUO |
| PURPOSE:To facilitate disposal of deposited products, so as to improve reliability, by forming optional cross sections of a plurality of rotors into non-round shapes. CONSTITUTION:A closed space is formed between two modified rotors 1a, 1b and 2a, 2b to be meshed with each other and housings 4a to 4d. The modified rotors 1a, 1b and 2a, 2b are respectively rotated in the opposite direction, and the closed space is moved from the suction hole side to the discharge hole side, so as to produce vacuum. In this case, products deposited on the wall surfaces in the radial direction of respective rotors or on the inner surfaces of the housings can be relatively easily carried out by shearing force in the circumferential direction of respective rotors. These two modified rotors 1a, 1b, 2a, 2b are synchronously operated in the non-contact state by motors 12a, 12b independently provided on respective shafts and by encoders 13a, 13b for detecting the rotational angle and the angular velocity. Therefore, the number of revolution can be drastically increased, and the inside leak per stage of the rotor can be decreased. | ||||||
| 124 | Vacuum pump | JP7647092 | 1992-03-31 | JPH05272478A | 1993-10-19 | Teruo Maruyama; Akira Takara; 照雄 丸山; 晃 宝 |
| PURPOSE:To provide a clean and compact vacuum pump capable of enhancing exhaust performance in medium-high vacuum regions. CONSTITUTION:A vacuum pump is formed of a viscous flow region, an intermediate flow region, and two vacuum pump parts formed for the transfer of gas of pressure not higher than the pressure of the intermediate flow region utilizing the movement of closed space formed by a housing 23 and rotor parts coaxial with plural rotors 206, 207. As a result, exhaust performance can be enhanced. | ||||||
| 125 | Hydraulic rotating device | JP1377992 | 1992-01-29 | JPH05202855A | 1993-08-10 | MARUYAMA TERUO; TAKARA AKIRA |
| PURPOSE: To improve the performance of a high vacuum pump with the air discharge speed kept at the fixed level. CONSTITUTION: Two screws 6, 7, the outside diameters of which are different from each other, are combined, and a high vacuum pump is provided on the shaft 2 of the screw 7 of smaller diameter to improve the performance of the high vacuum pump and to improve the control stability. COPYRIGHT: (C)1993,JPO&Japio | ||||||
| 126 | Fluid rotating device | JP26000591 | 1991-10-08 | JPH0599174A | 1993-04-20 | MARUYAMA TERUO; TAKARA AKIRA; ABE RYOICHI |
| PURPOSE:To provide a vacuum pump which provides a low vacuum ultimate pressure without damaging exhaust capacity in a wide suction pressure range, in a fluid rotary device, such as a vacuum pump and a compressor. CONSTITUTION:Through non-contact system synchronous rotation of a detecting means for the rotation angles and the numbers of revolutions of rotary encoders 6 and 8, rotation of a plurality of motors is synchronously controlled. By mounting a centrifugal element type vacuum pump B on at least the one axis of rotors 4 and 5, a pump being small and having a wide vacuum pressure operating region is provided. | ||||||
| 127 | Fluid rotary device | JP15851291 | 1991-06-28 | JPH055492A | 1993-01-14 | ABE RYOICHI; MARUYAMA TERUO; TAKARA AKIRA |
| PURPOSE:To provide a fluid rotary device wherein a rotor can be rotated at a high speed with no maintenance required to provide characteristic excellent in cleanliness, miniaturization and in reliability by solving a conventional problem of driving the two rotors with synchronous rotation of contact type using gears, in the fluid rotary device such as a vacuum pump, compressor, etc. CONSTITUTION:Rotors 4, 5, driven by independent motors 6, 7, are provided to synchronously control rotation of the rotors 4, 5 by a contactless method of using rotary encoders 8, 9. A solenoid valve 59 is provided in a bypass passage 56 for connecting a suction chamber 57 to a delivery chamber 58, formed in a housing 1. At the time of starting, the bypass passage is opened by the solenoid valve 59 to eliminate unstability of synchronous control by fluctuation of load torque at the time of starting, and the high speed high accurate synchronous control is facilitated to obtained a fluid rotary accurate excellent in reliability. | ||||||
| 128 | Molecular vacuum pump | JP41824190 | 1990-12-25 | JPH04209980A | 1992-07-31 | KUROODO SORUJIYOO |
| PURPOSE: To generate a high vacuum using a compact structure by dividing a pump about the axial direction into two divisions and configuring so that the first division is of turbo-molecular type and the second division is of a type having a screw or rotary piston. CONSTITUTION: A molecular vacuum pump is equipped with a stator having a suction port 2 and exhaust port 3 and a rotor assembly having two parallel shafts 4 and 5 and a rotor, wherein the shaft 4 is driven by a motor 20 while the shaft 5 is rotated in the opposite direction by two gear wheels 8 and 9. The pump is divided into the second division B and the first division A located at the end of the suction port. In this root type pump, the division B works as the first pump, and the division A consisting of three stages 10-12 partitioned by partitioning plates 13 and 14 is formed from fin-equipped discs 27 and 28 for rotor installed on the shafts 4 and 5. | ||||||
| 129 | Multi-spindle synchronizing and driving device and gear machining device | JP6707589 | 1989-03-17 | JPH02279246A | 1990-11-15 | HASEGAWA MIKIO; SHIRAISHI TAKESHI |
| PURPOSE:To make it possible to synchronize and drive a plurality of spindle drive motors by controlling the motors in a closed-loop condition by use of a PLL control means in accordance with speed instruction pulse signals which is obtained by multiplying a common reference pulse signal with a multiplying factor in proportion to shaft rotating speeds. CONSTITUTION:A reference pulse generator 12 delivers reference pulse signals in accordance with an instruction from a control section 13, and then the reference pulse signals are successively multiplied by multiplying factors proportional to spindle rotational speeds by means of successively multiplying circuits 9, 10. Further, speed instruction pulse signals are inputted to a PLL control means 7, 8 by way of a switch 11, and drive motors 1, 2 for the spindles are subjected to feed-back control through the intermediary of drive circuits 5, 6 and encoders 3, 4. Further, feed-back is made to the control section 13 through the intermediary of counters 15, 16 and an 1/F 17. Further, the PLL circuits 7, 8 are provided therein with circuits 7a, 8a for extracting a desired number of pulses from the speed instruction pulses signals in accordance with a feed length of a cutter gear under an instruction form the control section 13 during machining a gear to be machined. Thus, the spindles are driven being synchronized with each other with an arbitrary speed ratio. | ||||||
| 130 | JPS6343594B2 - | JP11719683 | 1983-06-30 | JPS6343594B2 | 1988-08-31 | FURITSUTSU HAUPUTO |
| 131 | Oilfree screw vacuum pump | JP11294884 | 1984-06-04 | JPS60259791A | 1985-12-21 | MATSUBARA KATSUMI; UCHIDA RIICHI; TSURU SEIJI; MURAMATSU MASATOSHI; NAYA KOUTAROU |
| PURPOSE: To remove one side bearing at the suction side as well as to make load capacity of a magnetic bearing improvable, by supporting either of the rotors in an oilfree screw vacuum pump one-sidedly at the discharge side, while setting up the magnetic bearing at the suction side of the other side rotor. CONSTITUTION: This vacuum pump is of vertical type in version mounting a screw pump on an electric motor 20, and a bearing at the suction side of its female rotor 11 is removed whereby it is one-sidedly supported by a bearing 16 at the discharge side. On the other hand, the suction side of a male rotor 10 is supported by a magnetic bearing 17. As a result, size of the magnetic bearing is optionally settable without being obstructed by the bearing at the suction side of the female rotor. Therefore, load capacity in the magnetic bearing is well improvable and, what is more, the promotion of an oil-free system in a screw type vacuum pump is so facilitated. COPYRIGHT: (C)1985,JPO&Japio | ||||||
| 132 | VERFAHREN ZUR STEUERUNG EINES SCHRAUBENVERDICHTERS | EP18164785.0 | 2018-03-28 | EP3388677A1 | 2018-10-17 | THOMES, Ulrich |
Die Offenbarung betrifft ein Verfahren zur Steuerung eines Schraubenverdichters mit mindestens einer ersten und einer zweiten Verdichterstufe, wobei beide Verdichterstufen getrennt voneinander und drehzahlregelbar angetrieben sind. Offenbarungsgemäß werden folgende Schritte ausgeführt: Erfassen eines am Ausgang der zweiten Verdichterstufe abgenommenen Volumenstroms; Anpassen der Drehzahl beider Verdichterstufen, wenn der abgenommene Volumenstrom in einem Bereich zwischen einem Maximalwert und einem Minimalwert schwankt; Öffnen eines Abblasventils, wenn der Volumenstrom den Minimalwert unterschreitet; Reduzieren der Drehzahl mindestens der ersten Verdichterstufe auf eine vorbestimmte Leerlaufdrehzahl (V1L), um den von der ersten an die zweite Verdichterstufe gelieferten Volumenstrom zu reduzieren. Die Offenbarung betrifft auch einen Kompressor mit einem Schraubenverdichter, der mindestens eine erste und eine zweite Verdichterstufe umfasst, wobei beide Verdichterstufen getrennt voneinander und drehzahlregelbar angetrieben sind, und wobei eine Steuereinheit vorgesehen ist, welche zur Ausführung des vorgenannten Verfahrens konfiguriert ist.
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| 133 | LINEAR ACTUATOR ASSEMBLY AND SYSTEM | EP15802457 | 2015-06-02 | EP3149342A4 | 2018-04-11 | AFSHARI THOMAS |
| A linear actuator system includes a linear actuator and an integrated pump assembly connected to the linear actuator to provide fluid to operate the linear actuator. The integrated pump assembly includes a pump with two fluid drivers, each fluid driver comprising a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from a first port of the pump to a second port of the pump. The pump assembly also includes two valve assembles to isolate the pump from the system. The linear actuator system also includes a controller that establishes the pump in a normal mode of operation in which the prime movers are independently driven and switches to a fail-safe mode of operation in which only one prime mover is operated. | ||||||
| 134 | LINEAR ACTUATOR ASSEMBLY AND SYSTEM | EP15803186.4 | 2015-06-02 | EP3149343A1 | 2017-04-05 | AFSHARI, Thomas |
| A linear actuator system includes a linear actuator and at least one integrated pump assembly connected to the linear actuator to provide fluid to operate the linear actuator. The integrated pump assembly includes a pump with at least one fluid driver comprising a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from a first port of the pump to a second port of the pump. The pump assembly also includes two valve assembles to isolate the pump from the system. The linear actuator system also includes a controller that establishes at least one of a speed and a torque of the at least one prime mover to exclusively adjust at least one of a flow and a pressure in the linear actuator system to an operational set point. | ||||||
| 135 | MACHINE VOLUMÉTRIQUE DE TYPE "À VIS" AMÉLIORÉE | EP13726166.5 | 2013-05-27 | EP2855939A2 | 2015-04-08 | MÜLLER, Didier; ILTCHEV, Théodore |
| This invention relates to a screw‑type positive displacement machine (1) comprising a housing (2) with a first rotor (3') and a second rotor (3'') which are mounted to rotate in the housing (2) and which are driven in directions which are the opposite of one another, the positive displacement machine (1) comprising a first motor (4') and a second motor (4'') which are arranged in a drive casing (5) and which are connected to the housing (2) in such a way that the first rotor (3') is driven by the first motor (4') and the second rotor (3'') is driven by the second motor (4''). Typically, the first motor (4') and/or the second motor (4'') is an asynchronous motor. | ||||||
| 136 | Vakuumpumpe mit einseitiger Lagerung der Pumpenrotoren | EP11004566.3 | 2011-06-06 | EP2532895B1 | 2014-02-26 | Dirscherl, Jürgen Dr.; Gitmans, Frank Dr.; Rüster, Gerhard; Prasse, Markus |
| 137 | Vakuumpumpe mit einseitiger Lagerung der Pumpenrotoren | EP11004566.3 | 2011-06-06 | EP2532895A1 | 2012-12-12 | Dirscherl, Jürgen Dr.; Gitmans, Frank Dr.; Rüster, Gerhard; Prasse, Markus |
Offenbart wird eine Vakuumpumpe vorzugsweise mit einem Saugvermögen unter 50 m3/h, mit einem Schraubenpumpenaggregat mit zwei schraubenförmigen, in gegenseitigem Eingriff stehenden Rotoren in einem geeignet geformten Schöpfraum eines Schraubenpumpenstators, der eine Saugseite mit einem Einlass und eine Druckseite mit einem Auslass aufweist, und mit einem Zwei-Wellen-Synchronantrieb mit zwei magnetisierten, sich nicht berührenden Zylindern, die auf die Rotoren tragenden Rotorwellen befestigt sind und diese infolge ihrer gegenseitigen magnetischen Wechselwirkung gegenläufig synchronisieren, und einer oder mehreren, die beiden magnetisierten Zylinder umgebenden Wicklungen eines Motorstators, die durch geeignete Bestromung wandernde Magnetfelder erzeugen dergestalt, dass sich die beiden magnetisierten Zylinder und damit die Rotorwellen gegenläufig synchron drehen, wobei die Lagerung der beiden Rotorwellen nur am Antrieb vorgesehen ist, insbesondere also keine Lagerung auf der vom Antrieb fernen Seite des Schöpfraum vorhanden ist. Diese kann besonders kompakt und präzise gebaut werden, da die Druckseite des Schraubenpumpenaggregates auf der dem Antrieb zugewandten Seite des Schöpfraums liegt und die Lagerung der Rotorwellen und der Antrieb unter Atmosphärendruck stehen.
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| 138 | Anordnung mit einer Zahnradpumpe | EP09163049.1 | 2009-06-18 | EP2275684A1 | 2011-01-19 | Aregger, Markus |
Anordnung mit einer Zahnradpumpe (1), die ein Pumpengehäuse (10), zwei im Pumpengehäuse (10) enthaltene und ineinander greifende Zahnräder (11,12) und zwei Wellen (2,3) umfasst, die mit den Zahnrädern (11,12) wirkverbunden sind und durch das Pumpengehäuse (10) geführt sind, wobei die zwei Wellen (2,3) mit je einer Antriebseinheit (7,8) wirkverbunden sind. Zwischen Zahnrad (11,12) und Antriebseinheit (7,8) ist jeweils eine Kupplungseinheit (22) zur Ausgleichung von Exzentrizitäten zwischen der Antriebseinheit (7,8) und der jeweiligen Welle (2,3) angeordnet und zwischen Zahnradmitte und Antriebsmitte ist jeweils eine Drehgeber/Sensoreinheit (24,25) angeordnet.
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| 139 | Compact sealless screw pump | EP99302047.8 | 1999-03-17 | EP0943804B1 | 2004-09-15 | Sloteman, Donald P. |
| 140 | Verdrängermaschine für kompressible Medien | EP99114031.0 | 1999-07-19 | EP1070848B1 | 2004-04-14 | Kösters, Heiner, Dr.; Keller, Guido, Dr. |
