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    • 51. 发明授权
    • Piston type compressor with improved suction reed valve stopper
    • 活塞式压缩机具有改进的吸力簧片阀塞
    • US4749340A
    • 1988-06-07
    • US921001
    • 1986-10-17
    • Hayato IkedaHiroshi OnomuraMasahiro Sawada
    • Hayato IkedaHiroshi OnomuraMasahiro Sawada
    • F04B27/08F04B27/10F04B39/10F16K15/16
    • F04B27/1009F04B39/1073F04B39/1086Y10T137/785Y10T137/7892
    • A piston type compressor having a cylinder block in which a plurality of compression chambers permit a plurality of pistons to be reciprocated so as to compress a refrigerant sucked from a suction chamber formed in an end housing into the compression chambers through suction ports of a valve plate openably closed by a plurality of suction reed valves. The compressor also has a valve stop construction for stopping the movement of the suction reed valves when the valves reach the opening position thereof apart from the valve plate. The valve stop construction includes recessed seats formed in an axial end face of the cylinder block so as to permit a portion of the free end of respective suction reed valves to be first seated on the recessed seats, and to permit the remaining portion of the free end of the suction reed valves to be stably seated on the recessed seats. The gradual stoppage of the suction reed valves suppresses vibration of the valves and prevents noise.
    • 一种具有气缸体的活塞式压缩机,其中多个压缩室允许多个活塞往复运动,以便通过阀板的吸入口将形成在端部壳体中的吸入室吸入的制冷剂压缩到压缩室中 可打开地由多个吸入簧片闭合。 压缩机还具有阀止动结构,用于当阀门到达其与阀板的开启位置时停止吸入簧片阀的运动。 阀门止动结构包括形成在气缸体的轴向端面上的凹座,以便允许相应的吸入簧片阀的自由端的一部分首先坐在凹座上,并允许剩余部分的自由 吸入簧片阀的端部能够稳定地安置在凹座上。 吸入簧片阀的逐渐停止抑制阀的振动并防止噪音。
    • 53. 发明授权
    • Gasket for sealing a refrigerant compressor
    • 用于密封制冷剂压缩机的垫片
    • US06186514B1
    • 2001-02-13
    • US09003020
    • 1998-01-05
    • Hayato IkedaNoriyuki ShintokuKeishi NakagakiTomohiro Wakita
    • Hayato IkedaNoriyuki ShintokuKeishi NakagakiTomohiro Wakita
    • F02F1100
    • F04B39/1073F02F11/00F04B39/1066
    • A gasket having a surface thereof coated with an elastic membrane and adapted to be interposed, together with a valve plate and a discharge valve member, between a cylinder block and a housing of a refrigerant compressor under compression. The gasket includes an outer sealing portion for sealing an outer circumference of the compressor against an atmospheric environment therearound, and an inner sealing portion, connected to the outer sealing portion, for sealing between a high pressure region and a low pressure region within the compressor. Each of the outer and inner sealing portions includes in its entirety a deformable ridge which is shaped as a convexly curved projection with an apex line continuously extending along a length of the each outer and inner sealing portion. When the gasket is located in a proper position in the compressor, the apex lines of the ridges of the respective sealing portions are abutted to the front or rear housing of the compressor.
    • 一种垫圈,其表面涂覆有弹性膜,并且适于在气缸体和压缩机之间的制冷剂压缩机的壳体之间与阀板和排出阀构件一起插入。 垫圈包括用于密封压缩机的外围的外部密封部分,以抵抗其周围的大气环境,以及连接到外部密封部分的用于密封压缩机内的高压区域和低压区域之间的内部密封部分。 外部密封部分和内部密封部分中的每一个整体上包括可变形的脊,其形状为凸形弯曲的突起,顶端线沿着每个外部和内部密封部分的长度连续地延伸。 当垫片位于压缩机中的适当位置时,各个密封部分的脊的顶线与压缩机的前壳体或后壳体抵接。
    • 56. 发明授权
    • Swash plate type refrigerant compressor with improved internal
lubricating system
    • 具有改善内部润滑系统的斜盘式制冷压缩机
    • US5795139A
    • 1998-08-18
    • US615104
    • 1996-03-14
    • Hayato IkedaMasanobu YokoiHiromi MichiyukiHisato KawamuraHirofumi SatohNoriyuki Shintoku
    • Hayato IkedaMasanobu YokoiHiromi MichiyukiHisato KawamuraHirofumi SatohNoriyuki Shintoku
    • F04B27/10F04B1/16F04B1/18
    • F04B27/1063F04B27/1009F04B27/1036F04B27/109F05C2253/12
    • A refrigerant compressor, typically a swash plate type refrigerant compressor for compressing refrigerant gas containing therein lubricating oil, which has axially combined cylinder blocks having a plurality of cylinder bores in which a plurality of pistons reciprocate to implement suction and compression of refrigerant gas as well as discharge of the compressed refrigerant gas. The cylinder blocks further have a swash plate chamber for a swash plate supported by a sliding type thrust bearings, receiving the refrigerant gas returning from an exterior of the compressor, and an axially extending central through-bore for a drive shaft supported by radial bearings. The compressor has a lubricating oil system which includes a fluid passageway for supplying a part of the refrigerant gas containing the lubricating oil from refrigerant gas inlet passageways in the cylinder blocks into the central bore to lubricate the sliding type thrust bearings and the radial bearings. Additional gas passageways may be provided in the valve plate for providing communication between some cylinder bores and the central bore in synchronism with opening of suction valves of some cylinder bores so that introduction of the part of the refrigerant gas into the central bore from the swash plate is promoted.
    • 一种制冷剂压缩机,通常是用于压缩含有润滑油的制冷剂气体的斜盘式制冷剂压缩机,其具有轴向组合的气缸体,其具有多个气缸孔,多个气缸孔中多个活塞往复运动以实现制冷剂气体的吸入和压缩, 排出压缩的制冷剂气体。 气缸体还具有用于由滑动型止推轴承支撑的旋转斜盘的旋转斜盘室,其接收从压缩机外部返回的制冷剂气体,以及轴向延伸的用于由径向轴承支撑的驱动轴的中心通孔。 压缩机具有润滑油系统,该润滑油系统包括用于将包含润滑油的一部分制冷剂气体从气缸体中的制冷剂气体入口通道供给到中心孔的流体通道,以润滑滑动型止推轴承和径向轴承。 可以在阀板中设置另外的气体通道,用于与一些气缸孔的吸入阀的打开同步地在一些气缸孔和中心孔之间提供连通,从而将部分制冷剂气体从斜盘导入中心孔 被提拔。
    • 57. 发明授权
    • Swash plate type compressor
    • 斜盘式压缩机
    • US5768974A
    • 1998-06-23
    • US620026
    • 1996-03-21
    • Hayato IkedaTomoji TarutaniMasanobu YokoiHiromi MichiyukiHirofumi SatoYasunori Ueda
    • Hayato IkedaTomoji TarutaniMasanobu YokoiHiromi MichiyukiHirofumi SatoYasunori Ueda
    • F04B39/00F04B27/08F04B27/10F01B3/00
    • F04B27/1063F05C2253/12Y10T74/18336
    • A swash plate type compressor includes an improved thrust bearing for axially supporting the swash plate. The bearing is of a composite type, and includes at least two elastically deformable slide bearing elements. The swash plate and the cylinder block each have seat portions, which are of different diameters. The two bearing elements are compressed between the respective seat portions into an elastically deformed conically-shaped state, with the amount of conical deformation depending upon the amount of axial compression that is applied to the bearing by tightening the assembly bolts of the compressor. In operation, one of the conically shaped slide bearing elements is pressed outwardly against the other by centrifugal force as the compressor shaft rotates. During start up and low speed operation of the compressor, this centrifugal force will have minimal effect, and the bearing elements will rotate with respect to each other, keeping internal frictional resistance low. At higher speeds, however, the centrifugal force will both bind the bearing elements to move together as a unit and will impart additional supportive force to the swash plate that will tend to minimize vibration and noise during operation.
    • 斜盘式压缩机包括用于轴向支撑斜板的改进的推力轴承。 轴承是复合型的,并且包括至少两个可弹性变形的滑动轴承元件。 斜盘和气缸体均具有不同直径的座部。 两个轴承元件在相应的座部之间被压缩成弹性变形的锥形状态,其中锥形变形量取决于通过拧紧压缩机的组装螺栓施加到轴承的轴向压缩量。 在操作中,当压缩机轴旋转时,其中一个锥形滑动轴承元件通过离心力向外压靠在另一个上。 在压缩机的启动和低速运转过程中,这种离心力将产生最小的影响,并且轴承元件将相对于彼此旋转,从而保持内摩擦阻力低。 然而,在较高的速度下,离心力将会同时绑定轴承元件作为一个单元一起移动,并且将向旋转斜盘施加额外的支撑力,这将倾向于使操作期间的振动和噪音最小化。
    • 59. 发明授权
    • Reciprocating piston type compressor with an oil separator for removing
lubricating oil from discharged high pressure refrigerant gas
    • 往复式活塞式压缩机,具有用于从排出的高压制冷剂气体中除去润滑油的油分离器
    • US5636974A
    • 1997-06-10
    • US658197
    • 1996-06-04
    • Hayato IkedaHirofumi SatoTomoji TarutaniHiromi Michiyuki
    • Hayato IkedaHirofumi SatoTomoji TarutaniHiromi Michiyuki
    • F04B27/08F04B27/10F04B39/02F04B39/04F04B53/18
    • F04B27/109F04B39/04
    • A reciprocating piston compressor adapted to receive a low pressure gas from an external circuit, and to supply a high pressure gas to the external circuit includes a cylinder block with front and rear ends. The cylinder block includes a central bore extending along the longitudinal axis, and a plurality of axially extending cylinder bores. The central bore has an open end at the front end of the cylinder block and an opposite closed end. Pistons are slidably provided within the cylinder bores for reciprocation. A drive shaft is inserted into the central bore for driving the motion of the reciprocating pistons. A pair of radial bearings, which are provided in the central bore, supports the axially extending drive shaft. An oil separator is provided between the compressor and the external circuit to remove lubricating oil contained in the high pressure gas. An oil reservoir is provided for accumulating the lubricating oil removed from the high pressure gas by the oil separator, the cylinder block including at least a portion of the oil reservoir adjacent to the blind end of the central bore.
    • 适于从外部回路接收低压气体并向外部回路供给高压气体的往复活塞式压缩机包括具有前端和后端的气缸体。 气缸体包括沿着纵向轴线延伸的中心孔和多个轴向延伸的气缸孔。 中心孔在气缸体的前端具有开口端,并且具有相对的封闭端。 活塞可滑动地设置在缸孔内用于往复运动。 驱动轴插入到中心孔中以驱动往复活塞的运动。 设置在中心孔中的一对径向轴承支撑轴向延伸的驱动轴。 在压缩机和外部回路之间设置油分离器,以去除高压气体中所含的润滑油。 提供储油器用于通过油分离器积聚从高压气体中除去的润滑油,气缸体包括与中心孔的盲端相邻的至少一部分储油器。