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    • 63. 发明授权
    • Reciprocating compressor and method of lubricating the reciprocating compressor
    • 往复式压缩机和润滑往复式压缩机的方法
    • US06568917B2
    • 2003-05-27
    • US09913032
    • 2001-08-08
    • Toshiro FujiiYoshiyuki NakaneSusumu Tarao
    • Toshiro FujiiYoshiyuki NakaneSusumu Tarao
    • F04B2708
    • F04B27/0878F04B27/109
    • In a reciprocating compressor, an adequate lubricating effect is ensured for a sliding surface between a piston and a cylinder bore, and the leakage of a refrigerant for discharge is prevented. After a lubricating oil mixed within the refrigerant is separated by an oil separator 23 on a discharge side, the separated lubricating oil is guided via an oil supply hole 29 in a cylinder block 1 to the sliding surface between the cylinder bore 12 and the piston 13 that reciprocates within the cylinder bore 12 thereof in order to lubricate the surface. In this reciprocating compressor, the intermediate axial portion of the outer circumference of the piston 13 has a small diameter in order to define an oil sump 30. The oil sump 30 is configured so as not to directly communicate with a drive chamber 7, and oil always collects within the oil sump 30.
    • 在往复式压缩机中,确保活塞和气缸孔之间的滑动面的适当的润滑效果,并且防止用于排出的制冷剂的泄漏。在制冷剂中混合的润滑油被油分离器23分离之后 排出侧,分离的润滑油通过气缸体1中的供油孔29被引导到气缸孔12和活塞13之间的滑动表面,该滑动表面在其气缸孔12内往复运动,以便润滑表面。 在这种往复式压缩机中,活塞13的外周的中间轴向部分具有小直径以便限定油底壳30.油底壳30构造成不与驱动室7直接连通,并且油 总是在油底壳30内收集。
    • 66. 发明授权
    • Air conditioning systems
    • 空调系统
    • US06263687B1
    • 2001-07-24
    • US09481037
    • 2000-01-11
    • Takashi BanToshiro FujiiTakanori Okabe
    • Takashi BanToshiro FujiiTakanori Okabe
    • F25B100
    • F25B49/022B60H1/00914B60H1/3223F04B27/1804F04B2027/1813F04B2027/1827F04B2027/1854F04B2027/1859F04B2027/1877F25B1/02F25B47/006
    • An air conditioning system 100 may include a compressor 101 having a driving chamber 110, a cooling circuit 151, a heating circuit 152 and capacity controllers 301, 401. The compressor 101 may have a suction port 115, a discharge port 120, a driving unit 130 provided within the driving chamber 110. The driving unit 130 decreases compressor output discharge capacity when pressure within the driving chamber 110 increases. The first capacity controller 301 and the second capacity controller 401 are provided in series onto the capacity control passage 321, 323, 421. The first capacity controller 301 opens the capacity control passage 321, 323 when compressor suction pressure Ps results predetermined low-pressure state during operation of the cooling circuit 151 and the second capacity controller 401 opens the capacity control passage 323, 421 during operation of the cooling circuit. As the result, the heat exchanger 159 in the cooling circuit 151 is prevented from being frosted. The first capacity controller 301 opens the capacity control passage 321, 323 during operation of the heating circuit 152 and the second capacity controller 401 opens the capacity control passage 323, 421 when compressor discharge pressure Pd results predetermined high-pressure state during operation of the heating circuit 152. As the result, the heating circuit 152 is prevented from being damaged by an abnormally high discharge pressure.
    • 空调系统100可以包括具有驱动室110,冷却回路151,加热回路152和容量控制器301,401的压缩机101.压缩机101可具有吸入口115,排出口120,驱动单元 驱动单元130在驱动室110内的压力增加时降低压缩机输出放电容量。 第一容量控制器301和第二容量控制器401串联设置在容量控制通道321,323,421上。当压缩机吸入压力Ps产生预定的低压状态时,第一容量控制器301打开容量控制通道321,323 在冷却回路151和第二容量控制器401的运转期间,在冷却回路运转期间打开容量控制通路323,421。 结果,防止冷却回路151中的热交换器159磨损。 第一容量控制器301在加热电路152的运行期间打开容量控制通道321,323,并且当压缩机排出压力Pd在加热操作期间导致预定的高压状态时,第二容量控制器401打开容量控制通道323,421 结果,防止加热电路152被异常高的排出压力损坏。
    • 67. 发明授权
    • Axial multi-piston compressor having rotary valve for allowing residual
part of compressed fluid to escape
    • 具有旋转阀的轴向多活塞式压缩机,用于允许压缩流体残留部分进入ESCAPE
    • US5232349A
    • 1993-08-03
    • US941681
    • 1992-09-08
    • Kazuya KimuraHiroaki KayukawaToshiro Fujii
    • Kazuya KimuraHiroaki KayukawaToshiro Fujii
    • F04B27/08F04B27/10F04B39/10F04B49/16
    • F04B49/16F04B27/1018F05C2201/906F05C2253/12
    • An axial multi-piston compressor comprises a drive shaft, a cylinder block having cylinder bores formed therein and surrounding the drive shaft, and a plurality of pistons slidably received in the cylinder bores, respectively, wherein the pistons are successively reciprocated in the cylinder bores by a rotation of the drive shaft so that a suction stroke and a discharge stroke are alternately executed in each of the cylinder bores. During the suction stroke, a fluid is introduced into the cylinder bore, and during the compression stroke, the introduced fluid is compressed and discharged from the cylinder bore such that a residual part of the compressed fluid is inevitably left in the cylinder bore when the compression stroke is finished. The compressor further comprises a rotary valve for allowing the residual part of the compressed fluid to escape from the cylinder bore into another cylinder bore not governed by the compression stroke, whereby a pressure of the residual part of the compressed fluid can be lowered.
    • 轴向多活塞压缩机包括驱动轴,缸体,其中形成有气缸孔并围绕驱动轴;以及多个活塞,其分别可滑动地容纳在气缸孔中,其中活塞在气缸孔中依次往复运动, 驱动轴的旋转使得在每个气缸孔中交替地执行吸入冲程和排出冲程。 在吸入冲程期间,将流体引入气缸孔中,并且在压缩行程期间,引入的流体被压缩并从气缸孔排出,使得压缩流体的剩余部分不可避免地留在气缸孔中,当压缩 中风完成。 压缩机还包括旋转阀,用于允许压缩流体的剩余部分从气缸孔排出到不受压缩冲程控制的另一气缸孔中,由此可以降低压缩流体的剩余部分的压力。
    • 69. 发明授权
    • Electric pump
    • 电动泵
    • US07980830B2
    • 2011-07-19
    • US11655326
    • 2007-01-19
    • Toshiro FujiiYoshiyuki Nakane
    • Toshiro FujiiYoshiyuki Nakane
    • F04B9/00
    • H02K7/118
    • A rotary shaft is rotatable relative to a motor rotor. A first end face of the motor rotor is exposed to the outside of a stator. A hammer portion is provided at the first end face. The hammer portion is configured to be movable as the motor rotor rotates. A collision portion rotating integrally with the rotary shaft is configured to collide with the hammer portion. The allowance space between the collision portion and the hammer portion allows the hammer portion to be move relative to the collision portion. Therefore, the electric pump is capable of detaching a rotor from a pump chamber without increasing the size of the pump.
    • 旋转轴可相对于电机转子旋转。 电动机转子的第一端面暴露于定子的外部。 锤头部分设置在第一端面处。 锤部构造成随着电机转子旋转而可移动。 与旋转轴一体旋转的碰撞部构造成与锤部碰撞。 碰撞部和锤部之间的余量允许锤部相对于碰撞部移动。 因此,电动泵能够在不增加泵的尺寸的情况下从泵室分离转子。