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    • 2. 发明授权
    • Single-ended swash plate compressor
    • 单端斜盘压缩机
    • US06280151B1
    • 2001-08-28
    • US09262599
    • 1999-03-04
    • Kazuo MurakamiToshiro FujiiNaoya YokomachiTakayuki ImaiTatsuya Koide
    • Kazuo MurakamiToshiro FujiiNaoya YokomachiTakayuki ImaiTatsuya Koide
    • F04B126
    • F04B27/1036F04B27/1063F04B2027/1813
    • In a single-ended swash plate compressor, unbalanced thrust loads in either axial direction are reduced so that thrust loads acting on pistons in the direction of the front end are practically balanced by those in the direction of the rear end, for example, by connecting an intake chamber to a swash plate chamber by means of an adjustment valve to adjust the pressure in the swash plate chamber acting on the front end surfaces of the pistons to a suitable intermediate pressure by the action of the adjustment valve. In a single-ended swash plate compressor with pistons housed in both ends of a cylinder assembly comprising one set of pistons for guidance and another set for compression, discharge pressure is introduced into some of the cylinder bores housing guide pistons and intake pressure is introduced into the cylinder bores housing guide pistons into which discharge pressure is not introduced.
    • 在单端斜盘式压缩机中,轴向方向上的不平衡推力负载减小,使得在前端方向上作用在活塞上的推力负载实际上与后端方向平衡,例如通过连接 通过调节阀到斜盘室的进气室,以通过调节阀的作用将作用在活塞的前端表面的斜盘室中的压力调节到合适的中间压力。 在具有活塞的单端斜盘式压缩机中,活塞容纳在气缸组件的两端,包括一组用于引导的活塞和另一组用于压缩的排出压力,排出压力被引入到一些缸膛壳体引导活塞中,并且将进气压力引入 气缸镗孔不引入排气压力的壳体引导活塞。
    • 3. 发明授权
    • Variable displacement compressor
    • 可变排量压缩机
    • US06520748B2
    • 2003-02-18
    • US09887315
    • 2001-06-22
    • Naoya YokomachiTatsuya KoideKiyoshi YagiTakayuki ImaiToshiro Fujii
    • Naoya YokomachiTatsuya KoideKiyoshi YagiTakayuki ImaiToshiro Fujii
    • A61M5315
    • F04B27/109
    • A suction chamber and a discharge chamber are defined in a front housing member. A crank chamber is defined between a cylinder block and a rear housing member. A drive shaft passes through the suction chamber and extends from a front end of a housing. The drive shaft is supported by the housing. A shaft sealing assembly for sealing the drive shaft is located in the suction chamber. In the cylinder block and a valve plate, a bleed passage is formed for connecting the crank chamber with the suction chamber. The bleed passage is inclined downward toward the suction chamber. The outlet of the bleed passage is above the shaft sealing assembly. In the suction chamber, a reservoir, which stores lubricating oil supplied through the bleed passage, is surrounds a lower part of the shaft sealing assembly.
    • 吸入室和排出室限定在前壳体构件中。 曲轴室限定在气缸体和后壳体之间。 驱动轴穿过抽吸室并从壳体的前端延伸。 驱动轴由外壳支撑。 用于密封驱动轴的轴封组件位于吸入室中。 在气缸体和阀板中,形成用于将曲柄室与吸入室连接的排放通道。 排出通道向吸入室向下倾斜。 排放通道的出口在轴封组件的上方。 在吸入室中,储存通过排放通道供应的润滑油的储存器围绕轴密封组件的下部。
    • 6. 发明授权
    • Variable displacement compressor
    • 可变排量压缩机
    • US06231314B1
    • 2001-05-15
    • US09362472
    • 1999-07-28
    • Kazuo MurakamiNaoya YokomachiTakayuki ImaiTatsuya Koide
    • Kazuo MurakamiNaoya YokomachiTakayuki ImaiTatsuya Koide
    • F04B126
    • F04B27/1018
    • A variable displacement compressor includes a rotary valve which can rotate synchronously with a drive shaft. The rotary valve includes a center hole with one end closed and with the other end in constant communication with a suction chamber, and a communicating hole intermittently provide a fluid communication between the center hole and a gas extracting passage extending from a crank chamber along with the rotation of the rotary valve. The amount of refrigerant gas flowing back from the crank chamber to the suction chamber through the gas extracting passage is reduced by exactly the amount of the refrigerant gas which can flow through the gas extracting passage unless it is closed by the rotary valve. Therefore, even if the sectional area of the gas extracting passage is increased to an extent of being able to prevent sludge and other foreign matter from clogging it and ensure the processing accuracy and productivity, the increase of the amount of gas fed to the crank chamber at the time of transition from a large displacement operation to a low displacement operation, and the increase in the power loss of the compressor, can be suppressed.
    • 可变排量压缩机包括可与驱动轴同步旋转的旋转阀。 旋转阀包括一端封闭的中心孔,另一端与抽吸室恒定连通,并且连通孔间歇地提供中心孔与从曲柄室延伸的气体抽出通道之间的流体连通 旋转阀的旋转。 通过气体提取通道从曲柄室流向吸入室的制冷剂气体的量通过气体提取通道流过的制冷剂气体的量精确地减少,除非由旋转阀关闭。 因此,即使气体提取通道的截面面积增加到能够防止污泥和其他异物堵塞的程度,并且确保加工精度和生产率,进入曲柄室的气体量的增加 在从大排量运转向低位运转的转变时,能够抑制压缩机的动力损失的增加。
    • 7. 发明授权
    • Piston-operated refrigerant compressor and a method of assembling the same
    • 活塞式制冷剂压缩机及其组装方法
    • US06209444B1
    • 2001-04-03
    • US09253597
    • 1999-02-22
    • Kazuo MurakamiToshiro FujiiNaoya YokomachiTakayuki Imai
    • Kazuo MurakamiToshiro FujiiNaoya YokomachiTakayuki Imai
    • F01B300
    • F04B27/0878F04B27/1045F04B39/14
    • A piston-operated refrigerant compressor provided with pistons fitted with piston rings and reciprocating in cylinder bores of a cylinder block having a central boss portion formed in an inner end face thereof confronting a crank chamber for receiving a cam or swash plate mounted on a drive shaft, and the central boss portion of the cylinder block defining therein a plurality of axially projecting lip portions formed at a portion of each bore end of the cylinder bore for permitting the diameter of the piston ring to be compressively reduced during inserting of the piston into the corresponding cylinder bore at the assembling stage of the refrigerant compressor either in cooperation with a piston-assembling jig provided with guide bores to promote a smooth insertion of each piston together with the piston ring into the corresponding cylinder bore or without cooperation of the piston-assembling jig.
    • 一种活塞式制冷剂压缩机,其具有装配有活塞环的活塞并且在气缸体的气缸孔中往复运动,该气缸体具有形成在其内端面中的中心凸台部,该内侧端面面对曲柄室,用于接收安装在驱动轴上的凸轮或斜盘 ,并且缸体的中心凸台部分在其中限定了形成在气缸孔的每个孔端部的一部分处的多个轴向突出的唇部,用于允许活塞环的直径在活塞插入 在制冷剂压缩机的组装阶段,与设置有导向孔的活塞组装夹具配合,以促进每个活塞与活塞环一起平滑地插入到相应的气缸孔中,或者不与活塞组装 夹具