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    • 41. 发明授权
    • Undulating current supplying means for the solenoid of a displacement
control valve in a variable displacement compressor
    • 用于可变排量压缩机中​​的排量控制阀的螺线管的电流供应装置
    • US6126405A
    • 2000-10-03
    • US876410
    • 1997-06-16
    • Masahiro KawaguchiMasanori SonobeHiroshi KuboTetsuhiko Fukanuma
    • Masahiro KawaguchiMasanori SonobeHiroshi KuboTetsuhiko Fukanuma
    • F04B49/06F04B27/14F04B27/18F04B53/10F16K31/06F04B1/26
    • F04B27/1804F04B2027/1827F04B2027/1854F04B2027/1859
    • A compressor has a drive plate located in a crank chamber and tiltably mounted on a drive shaft and a piston operably coupled to the drive plate and located in a cylinder bore. The inclination of the drive plate is variable according to a difference between the pressure in the crank chamber and the pressure in the cylinder bore. The compressor has an adjusting mechanism for adjusting the pressure in one of the crank chamber and a suction chamber to vary the difference between the pressure in the crank chamber and the pressure in the cylinder bore. The adjusting mechanism includes a gas passage for passing the gas used for adjusting the pressure and a control valve for adjusting the amount of the gas flowing in the gas passage. The control valve includes a valve body, a reacting member and a solenoid. The valve body adjusts the opening size of the gas passage. The reacting member moves the valve body in accordance with the pressure of the gas supplied to the compressor from the external circuit. The solenoid biases the valve body in a direction with the force based on a value of current supplied to the solenoid. A supplying apparatus supplies undulating current to the solenoid. The supplying apparatus varies the average value of the undulating current to vary the biasing force of the solenoid.
    • 压缩机具有位于曲柄室中并可倾斜地安装在驱动轴上的驱动板和可操作地联接到驱动板并位于气缸孔中的活塞。 驱动板的倾斜度根据曲柄室内的压力与气缸孔中的压力之差而变化。 压缩机具有用于调节曲柄室和吸入室中的一个中的压力的​​调节机构,以改变曲柄室中的压力和气缸孔中的压力之间的差。 调节机构包括用于调节用于调节压力的气体的气体通道和用于调节在气体通道中流动的气体量的控制阀。 控制阀包括阀体,反作用构件和螺线管。 阀体调节气体通道的开口尺寸。 反作用构件根据从外部回路供给到压缩机的气体的压力移动阀体。 螺线管基于提供给螺线管的电流值,以一定的方向使阀体偏压阀体。 供给装置向螺线管供给波动电流。 供给装置改变波动电流的平均值以改变螺线管的偏置力。
    • 42. 发明授权
    • Variable displacement compressor
    • 可变排量压缩机
    • US06076449A
    • 2000-06-20
    • US49515
    • 1998-03-27
    • Masahiro KawaguchiMasakazu MuraseTetsuhiko FukanumaHiroshi Kubo
    • Masahiro KawaguchiMasakazu MuraseTetsuhiko FukanumaHiroshi Kubo
    • F04B27/08F04B27/10F01B13/04
    • F04B27/1054
    • A variable displacement compressor includes a swash plate supported tiltably on a drive shaft and slidable in axial directions of the drive shaft. The swash plate has a central support hole into which the drive shaft is inserted. The swash plate has a top dead center point for positioning the piston at a top dead center position and a bottom dead center point for positioning the piston at a bottom dead center position. The center of gravity of the swash plate is displaced from the axis of the drive shaft toward the top dead center point. This location of the center of gravity maintains the radial position of the swash plate relative to the drive shaft by centrifugal force acting on the swash plate when the swash plate rotates. As a result, the compressor is quieter and more stable.
    • 可变排量压缩机包括可倾斜地支撑在驱动轴上并可在驱动轴的轴向方向上滑动的斜盘。 旋转斜盘具有中心支撑孔,驱动轴插入该中心支撑孔。 斜盘具有用于将活塞定位在上死点位置的上止点和用​​于将活塞定位在下死点位置的下止点。 斜盘的重心从驱动轴的轴向向上死点移动。 当旋转斜盘旋转时,该重心位置通过作用在斜盘上的离心力来保持旋转斜盘相对于驱动轴的径向位置。 因此,压缩机更安静,更稳定。
    • 43. 发明授权
    • Control valve in variable displacement compressor
    • 变排量压缩机中​​的控制阀
    • US6062823A
    • 2000-05-16
    • US990639
    • 1997-12-15
    • Masahiro KawaguchiKen SuitouMasanori SonobeTetsuhiko Fukanuma
    • Masahiro KawaguchiKen SuitouMasanori SonobeTetsuhiko Fukanuma
    • F04B49/00F04B27/14F04B27/18F16K31/06F04B1/26F16K31/02
    • F04B27/1804F04B2027/1813F04B2027/1827
    • A variable displacement compressor includes a gas passage for connecting a discharge chamber with a crank chamber. The control valve is located in the gas passage to control the pressure in the crank chamber. The control valve has a valve hole and a valve chamber located in the gas passage. A valve body is located in the valve chamber to adjust the opening size of the valve hole. A solenoid has a plunger and a plunger chamber for accommodating the plunger. A rod is located between the plunger and the valve body to transmit the movement of the plunger to the valve body. When the solenoid is de-excited, the bottom end face of the plunger abuts against the inner bottom wall of the plunger chamber. A plurality of grooves are provided on the bottom end face of the plunger and extend radially. The grooves define recessed passages between the bottom end face of the plunger and the inner bottom wall of the plunger chamber to prevent the bottom end face from adhering to the inner bottom wall. This prevents the plunger from sticking, and thus improves the response of the control valve.
    • 可变排量压缩机包括用于将排气室与曲轴室连接的气体通道。 控制阀位于气体通道中以控制曲柄室中的压力。 控制阀具有位于气体通道中的阀孔和阀室。 阀体位于阀室中以调节阀孔的开口尺寸。 螺线管具有用于容纳柱塞的柱塞和柱塞室。 杆位于柱塞和阀体之间以将柱塞的运动传递到阀体。 当螺线管去激发时,柱塞的底端面抵靠柱塞室的内底壁。 多个凹槽设置在柱塞的底端面上并径向延伸。 凹槽在柱塞的底端面和柱塞室的内底壁之间限定凹陷通道,以防止底端面粘附到内底壁。 这样可防止柱塞粘附,从而提高了控制阀的响应。
    • 49. 发明申请
    • POWER TRANSMISSION DEVICE OF A COMPRESSOR
    • 压缩机的动力传动装置
    • US20080152511A1
    • 2008-06-26
    • US11955643
    • 2007-12-13
    • Fuminobu EnokijimaNaoya YokomachiTetsuhiko Fukanuma
    • Fuminobu EnokijimaNaoya YokomachiTetsuhiko Fukanuma
    • F04B35/00
    • F16H35/10F16D9/08F16H55/36
    • A power transmission device of a compressor includes a rotary shaft, a pulley, a hub, a power shutoff member, a spacer and a cylinder. The power shutoff member shuts off excessive torque transmission between the pulley and the rotary shaft of the compressor. The spacer is disposed on the rotary shaft. The cylinder is disposed between the power shutoff member and the rotary shaft. The cylinder has an external thread portion formed at the outer periphery thereof for engagement with an internal thread portion of the power shutoff member and an internal thread portion formed at the inner periphery thereof for engagement with an external thread portion of the rotary shaft. The cylinder has a contacting surface for contact with a seating surface of the spacer and a seating surface for contact with a contacting surface of the hub at the axial end portion of the hub.
    • 压缩机的动力传递装置包括旋转轴,滑轮,轮毂,动力关闭构件,间隔件和气缸。 电源关闭构件关闭了滑轮与压缩机旋转轴之间的过大扭矩传递。 间隔件设置在旋转轴上。 气缸设置在电源关闭构件和旋转轴之间。 圆筒具有形成在外周的外螺纹部分,用于与动力切断部件的内螺纹部分接合,和形成在其内周处的内螺纹部分,用于与旋转轴的外螺纹部分接合。 圆筒具有用于与间隔件的就座表面接触的接触表面和用于在毂的轴向端部处与轮毂的接触表面接触的就座表面。
    • 50. 发明申请
    • Compressor
    • 压缩机
    • US20060245939A1
    • 2006-11-02
    • US11411400
    • 2006-04-25
    • Tetsuhiko FukanumaNaoya YokomachiShingo EnamiMasakazu Murase
    • Tetsuhiko FukanumaNaoya YokomachiShingo EnamiMasakazu Murase
    • F04B27/08
    • F04B27/109F04B39/0223F04B53/18
    • A compressor includes a housing, a rotary shaft, a bearing, a seal, a shaft seal chamber, a first passage, a second passage and the fluid passage. The first passage connects a crank chamber to the shaft seal chamber The second passage is formed between a lug plate fixed to the rotary shaft and the housing so as to connect the bearing to the crank chamber. The partition is provided in the shaft seal chamber for dividing the shaft seal chamber into a seal-side chamber and a bearing-side chamber. The first passage is in communication with the seal-side chamber of the shaft seal chamber. The fluid passage for accumulating the lubricating oil and for communicating the first passage and the second passage is formed radially inward of an inner circumferential surface of the shaft seal chamber.
    • 压缩机包括壳体,旋转轴,轴承,密封件,轴密封室,第一通道,第二通道和流体通道。 第一通道将曲柄室连接到轴密封室。第二通道形成在固定到旋转轴的凸耳板和壳体之间,以将轴承连接到曲柄室。 分隔件设置在轴密封室中,用于将轴密封室分成密封侧室和轴承侧室。 第一通道与轴封室的密封侧室连通。 用于积存润滑油并连通第一通道和第二通道的流体通道形成在轴封室的内圆周表面的径向内侧。