公开(公告)号：US5366350A

公开(公告)日：1994-11-22

申请号：US226818

申请日：1994-04-12

申请人： Toshiro Fujii ,  Hitoshi Inukai ,  Koichi Ito ,  Yuichi Kato

发明人： Toshiro Fujii ,  Hitoshi Inukai ,  Koichi Ito ,  Yuichi Kato

IPC分类号： F04B27/10 ,  F04B49/00

CPC分类号： F04B27/1018

摘要： A piston type compressor is disclosed, which includes pistons disposed in bores of a cylinder block, to be reciprocated by a piston driving mechanism in cooperation with a drive shaft. A valve receiving chamber is formed around the drive shaft in the cylinder block, for receiving a rotary valve to rotate together with the drive shaft. The rotary valve has a suction passage formed therein for providing gases from a gas suction chamber to a compression chamber defined in each bore. A plurality of communication passages are formed in the cylinder block in association with the compression chambers, to provide gas communication between the compression chambers and the valve's suction passage. A bypass passage is formed on the rotary valve, and permits one communication passage, associated with one of the compression chambers which is at a final stage of a compression stroke, to communicate with another communication passage, associated with another compression chamber which is at a start stage of the compression stroke. The compressor further includes a device, provided on an outer surface of each piston, for catching gas axially leaking along the outer surface of the piston. The gas catching device guides gas, caught by the gas catching device at the final stage of the compression stroke, to the communication passage corresponding to its associated compression chamber.

摘要翻译： 公开了一种活塞式压缩机，其包括设置在气缸体的孔中的活塞，通过与驱动轴协作的活塞驱动机构往复运动。 在气缸体中的驱动轴周围形成有阀接收室，用于接收与驱动轴一起旋转的旋转阀。 旋转阀具有形成在其中的吸入通道，用于将气体从气体吸入室提供到限定在每个孔中的压缩室。 多个连通通道与压缩室相关联地形成在气缸体中，以在压缩室和阀的吸入通道之间提供气体连通。 旁通通道形成在旋转阀上，并且允许与处于压缩行程的最后阶段的压缩室中的一个相关联的一个连通通道与另一个连通通道连通，另一个连通通道与另一压缩室 压缩冲程的开始阶段。 压缩机还包括设置在每个活塞的外表面上的装置，用于捕捉沿着活塞外表面轴向泄漏的气体。 吸气装置将在压缩行程的最后阶段被气体捕获装置捕获的气体引导到对应于其相关联的压缩室的连通通道。

公开(公告)号：US5370506A

公开(公告)日：1994-12-06

申请号：US154279

申请日：1993-11-18

申请人： Toshiro Fujii ,  Hiromi Kitayama ,  Koichi Ito ,  Hitoshi Inukai

发明人： Toshiro Fujii ,  Hiromi Kitayama ,  Koichi Ito ,  Hitoshi Inukai

IPC分类号： F04B39/08 ,  F04B39/10 ,  F04B1/12

CPC分类号： F04B39/08 ,  F04B39/1073 ,  Y10T137/4449

摘要： A piston type compressor has a plurality of cylinder bores in which a plurality of pistons reciprocate to effect suction, compression and discharge of refrigerant gas in response to rotation of a drive shaft. The compressor has a gas receiving chamber for receiving the refrigerant gas before compression, a discharge chamber for receiving the compressed gas, and at least one rotary valve mounted on the drive shaft to be rotatable with the drive shaft. The rotary valve has a suction passageway for providing fluid communication between the gas receiving chamber and each of the compression chambers formed in the cylinder bores. A groove is provided on the outer circumferential wall of the rotary valve. The groove is connected with the outlet of the suction passageway and extends to a vicinity of the opposing end portions along the outer circumferential wall. The groove supplies the lubricant oil within the refrigerant gas in the suction passageway to and between the outer circumferential wall of the rotary valve and the inner wall of the recessed chamber during the rotation of the rotary valve.

摘要翻译： 活塞式压缩机具有多个气缸孔，多个活塞在其中往复运动，以响应于驱动轴的旋转而实现制冷剂气体的吸入，压缩和排放。 压缩机具有用于在压缩之前接收制冷剂气体的气体接收室，用于接收压缩气体的排出室，以及安装在驱动轴上以与驱动轴一起旋转的至少一个旋转阀。 旋转阀具有用于在气体容纳室和形成在气缸孔中的每个压缩室之间提供流体连通的抽吸通道。 在旋转阀的外周壁上设置有槽。 凹槽与抽吸通道的出口连接，并沿着外周壁延伸到相对的端部附近。 在旋转阀旋转期间，凹槽将吸入通道内的制冷剂气体中的润滑油供应到旋转阀的外周壁和凹腔的内壁之间。

公开(公告)号：US5397218A

公开(公告)日：1995-03-14

申请号：US102588

申请日：1993-08-05

申请人： Toshiro Fujii ,  Koichi Ito ,  Kazuaki Iwama ,  Hitoshi Inukai

发明人： Toshiro Fujii ,  Koichi Ito ,  Kazuaki Iwama ,  Hitoshi Inukai

IPC分类号： F04B27/10 ,  F04B27/12 ,  F04B1/12 ,  F01B3/00

CPC分类号： F04B27/12 ,  F04B27/1009 ,  F04B27/1081

摘要： A swash plate type compressor is disclosed. A swash plate mounted on a rotary shaft reciprocally drives a double headed piston in cylinder bores. The rotary shaft is supported by valve plates, via a pair of tapered roller bearings. Outer races of the bearings are slidably fitted into sleeves, respectively. A disc spring disposed between protrusions for holding a front housing and the outer race is resiliently deformed for applying a preload to the rotary shaft. Protrusions for holding a rear housing abut against the outer race. Cylinder blocks, valve plates and housings are tightly connected one to another by a plurality of through bolts.

摘要翻译： 公开了斜盘式压缩机。 安装在旋转轴上的斜盘可往复地驱动气缸孔中的双头活塞。 旋转轴通过一对圆锥滚子轴承由阀板支撑。 轴承的外圈分别可滑动地装配到套筒中。 设置在用于保持前壳体和外座圈的突出部之间的盘簧弹性变形，以将预载荷施加到旋转轴。 用于保持后壳体抵靠外圈的突起。 气缸体，阀板和壳体通过多个贯穿螺栓彼此紧紧连接。

公开(公告)号：US5380163A

公开(公告)日：1995-01-10

申请号：US199812

申请日：1994-02-22

申请人： Toshiro Fujii ,  Hiromi Kitayama ,  Hitoshi Inukai ,  Koichi Ito

发明人： Toshiro Fujii ,  Hiromi Kitayama ,  Hitoshi Inukai ,  Koichi Ito

IPC分类号： F04B27/10 ,  F04B49/00

CPC分类号： F04B27/1027

摘要： A piston type compressor is disclosed, which comprises a cylinder block having axial cylinder bores, pistons defining compression chambers in the bores, a drive shaft, and a gas suction and discharge chambers in a housing. A valve receiving chamber is formed around the drive shaft in the cylinder block, for accommodating a rotary valve which rotates in synchronism with rotation of the drive shaft. The rotary valve has a suction passage formed therein for providing gases from the gas suction chamber to a compression chamber during the chamber's gas suction stroke. A plurality of gas communication passages are formed in the cylinder block in association with the compression chambers, each having a first port open to the associated cylinder bore and a second port open to the valve receiving chamber. The first port is located at a position (P2) apart by a predetermined distance (L) from a top dead center position (P1) of the associated piston. The rotary valve has a bypass passage formed therein, for permitting one communication passage, isolated from both the compression chambers and the gas suction chamber, to communicate with another communication passage corresponding to a compression chamber in a compression stroke.

摘要翻译： 公开了一种活塞式压缩机，其包括具有轴向气缸孔的气缸体，在孔中限定压缩室的活塞，驱动轴以及壳体中的气体吸入和排出室。 在气缸体中的驱动轴周围形成阀接收室，用于容纳与驱动轴的旋转同步旋转的旋转阀。 旋转阀具有形成在其中的吸入通道，用于在室的吸气冲程期间将气体从气体吸入室提供到压缩室。 多个气体连通通道与压缩室相关联地形成在气缸体中，每个压缩室具有通向相关联的气缸孔的第一端口和通向阀接收室的第二端口。 第一端口位于与相关联的活塞的上止点位置（P1）分开预定距离（L）的位置（P2）。 旋转阀具有形成在其中的旁通通道，用于允许与压缩室和吸气室隔离的一个连通通道与在压缩行程中对应于压缩室的另一连通通道连通。

公开(公告)号：US5375981A

公开(公告)日：1994-12-27

申请号：US195366

申请日：1994-02-10

申请人： Toshiro Fujii ,  Hiromi Kitayama ,  Hitoshi Inukai ,  Koichi Ito

发明人： Toshiro Fujii ,  Hiromi Kitayama ,  Hitoshi Inukai ,  Koichi Ito

IPC分类号： F04B27/10 ,  F04B1/12

CPC分类号： F04B27/1027

摘要： A refrigerant gas suction valve mechanism for a reciprocating piston type compressor is disclosed. The mechanism has a drive shaft rotatably disposed in a gas receiving chamber where uncompressed gas is introduced, Double- headed pistons provided in cylinder bores compress the gas when the pistons move from the bottom dead center to the top dead center. A suction port selectively permits and blocks communication between the suction passage and the compression chambers. A resilient member holds a rotary valve in contact with an inner wall of a recessed chamber with predetermined force. The suction port is maintained at a predetermined distance from a point where the pistons reach the top dead center so that the suction port is closed by the pistons before the pistons reach the top dead center.

摘要翻译： 公开了一种用于往复式活塞式压缩机的制冷剂气体吸入阀机构。 该机构具有可旋转地设置在未压缩气体的气体接收室中的驱动轴，当活塞从下止点移动到上止点时，设置在气缸孔中的双头活塞压缩气体。 吸入口选择性地允许和阻止吸入通道和压缩室之间的连通。 弹性构件以预定的力保持与凹腔的内壁接触的旋转阀。 吸入口保持在从活塞到达上止点的预定距离处，使得吸入口在活塞到达上止点之前被活塞关闭。

公开(公告)号：US5536149A

公开(公告)日：1996-07-16

申请号：US277196

申请日：1994-07-19

申请人： Toshiro Fujii ,  Koichi Ito ,  Kazuaki Iwama ,  Katsuya Ohyama ,  Yuichi Kato

发明人： Toshiro Fujii ,  Koichi Ito ,  Kazuaki Iwama ,  Katsuya Ohyama ,  Yuichi Kato

IPC分类号： F04B27/10 ,  F04B27/08 ,  F04D13/02

CPC分类号： F04B27/1063

摘要： A piston-reciprocating type compressor has a disk mounted on a rotary drive shaft and operably coupled to a piston. The piston compresses refrigerant gas in a cylinder bore with a compressive force according a cooling load. A retaining chamber formed in the vicinity of an end of the drive shaft. A partition is housed in the retaining chamber. Two recesses are formed with the opposite sides of the partition in the moveable manner. The compressed gas is supplied to the recesses under pressure in proportion to the cooling load. A thrust bearing which connects with the partition supports an end of the drive shaft. The drive that is biased in the direction counter to a thrust load acting on the drive shaft.

摘要翻译： 活塞往复式压缩机具有安装在旋转驱动轴上并可操作地联接到活塞的盘。 活塞根据冷却负荷以压缩力在气缸孔中压缩制冷剂气体。 形成在驱动轴的端部附近的保持室。 分隔件容纳在保持室中。 两个凹槽以可移动的方式与隔板的相对侧形成。 压缩气体在与冷却负荷成比例的压力下供给到凹部。 与分隔件连接的止推轴承支撑驱动轴的一端。 与驱动轴作用的推力相反的方向偏置的驱动器。

公开(公告)号：US5183394A

公开(公告)日：1993-02-02

申请号：US880574

申请日：1992-05-08

申请人： Toshiro Fujii ,  Hayato Ikeda ,  Ryo Katoh ,  Hitoshi Inukai

发明人： Toshiro Fujii ,  Hayato Ikeda ,  Ryo Katoh ,  Hitoshi Inukai

IPC分类号： F04B27/12

CPC分类号： F04B27/12

摘要： A swash plate type compressor which includes a pair of cylinder blocks. The cylinder blocks contains a crank case and a plurality of cylinders leading to a suction port. A pair of housing sections cover the cylinder blocks, and contain a suction chamber leading to each about the center of the cylinders, and a discharge chamber which is fluidly connected to the cylinders. The cylinder blocks rotatably support a drive shaft. The suction chamber contains a shaft sealing device in order to seal a forward section of the drive shaft. A refrigerant fluid within the crank case is sucked into the cylinders via the suction chamber. A refrigerant passage is provided along the central axis of the drive shaft. A plurality of inlet and outlet ports are connected to the refrigerant passage and to the crank case and suction chamber. The refrigerant passage, the outlet ports and the inlet ports form a refrigerant suction passage. Consequently, the refrigerant concentration in the suction chamber is rendered uniform, and the reliability of the shaft sealing device is improved.

摘要翻译： 一种斜盘式压缩机，包括一对气缸体。 气缸体包含曲轴箱和通向吸入口的多个汽缸。 一对壳体部分覆盖气缸体，并且包含一个通向每个围绕气缸中心的抽吸室，以及一个与气缸流体连接的排放室。 气缸体可旋转地支撑驱动轴。 抽吸室包含轴密封装置，以密封驱动轴的前部。 曲轴箱内的制冷剂流体经由吸入室被吸入气缸。 沿着驱动轴的中心轴设置制冷剂通路。 多个入口和出口连接到制冷剂通道和曲轴箱和抽吸室。 制冷剂通道，出口和入口形成制冷剂吸入通道。 因此，使吸入室内的制冷剂浓度均匀，提高了轴封装置的可靠性。

公开(公告)号：US5378115A

公开(公告)日：1995-01-03

申请号：US101178

申请日：1993-08-03

申请人： Toshiro Fujii ,  Hitoshi Inukai ,  Kazuaki Iwama

发明人： Toshiro Fujii ,  Hitoshi Inukai ,  Kazuaki Iwama

IPC分类号： F04B27/08 ,  F04B27/10 ,  F04B39/02 ,  F04B1/12

CPC分类号： F04B27/1027

摘要： A swash plate type compressor comprises a cylinder block cooperating to form therein a compartment accommodating therein a swash plate and also serving as a suction chamber of the compressor, and a drive shaft rotatably supported in the cylinder block and having formed therein an axial discharge passage connecting front and rear discharge chambers. The compressor further includes a pair of front and rear rotary type suction valves mounted on the drive shaft for rotation therewith and fitted in bores formed centrally in the cylinder block such that one axial end thereof is exposed to suction pressure and the other end to discharge pressure of the refrigerant gas. Each suction valve has formed therein a passage which is in constant communication with the swash plate compartment and is operable to bring its passage in communication successively with fluid working chambers in synchronism with the rotation of the drive shaft. The drive shaft is formed with a lubricating oil hole extending radially from its central discharge passage to its outer periphery and directed to feed lubricating oil toward the sliding contact surfaces between the suction valve and its accommodation bore.

摘要翻译： 旋转斜盘式压缩机包括气缸体，其配合在其中形成容纳有斜盘并且还用作压缩机的吸入室的隔室，以及可旋转地支撑在气缸体中的驱动轴，其中形成有轴向排出通道 前后排气腔。 压缩机还包括一对安装在驱动轴上的前后旋转式吸入阀，用于与其一起转动并安装在缸体中心形成的孔中，使其一个轴向端部暴露于吸入压力，另一端暴露于排出压力 的制冷剂气体。 每个吸入阀在其中形成有与旋转斜盘室恒定连通的通道，并且可操作地使其通道与驱动轴的旋转同步地与流体工作室连通。 驱动轴形成有从其中心排出通道径向延伸到其外周边的润滑油孔，并将润滑油引向吸入阀和其容纳孔之间的滑动接触表面。

公开(公告)号：US5368450A

公开(公告)日：1994-11-29

申请号：US101927

申请日：1993-08-04

申请人： Toshiro Fujii ,  Kazuaki Iwama ,  Hitoshi Inukai

发明人： Toshiro Fujii ,  Kazuaki Iwama ,  Hitoshi Inukai

IPC分类号： B60H1/32 ,  F04B27/08 ,  F04B27/10 ,  F04B27/12 ,  F04B1/12

CPC分类号： B60H1/3223 ,  F04B27/0878 ,  F04B27/1063 ,  F04B27/12

摘要： A swash plate type compressor comprises a cylinder block having formed therein a compartment accommodating therein a swash plate and a plurality of axial cylinder bores each receiving therein a reciprocally movable double-headed piston. The compressor further comprises a drive shaft having formed therein a discharge passage in communication with front and rear discharge chambers in front and rear housings, respectively, which are fastened to the axial ends of the cylinder block. The drive shaft is supported by a pair of front and rear tapered roller bearings and these two bearings are arranged in such a way that at least part of refrigerant gas discharged into either one of the discharge chambers flows through both of the front and rear bearings so that the bearings are lubricated by oil contained in and entrained by the refrigerant gas.

摘要翻译： 斜盘式压缩机包括气缸体，其中形成有容纳有斜盘的隔室和多个轴向气缸孔，每个轴向气缸孔容纳有可往复运动的双头活塞。 压缩机还包括驱动轴，其中分别形成有与前后排气室连通的排出通道，该排气通道紧固在气缸体的轴向端部。 驱动轴由一对前后圆锥滚子轴承支撑，这两个轴承的排列方式是排出到任一个排气室中的制冷剂气体的至少一部分流过前后两个轴承， 轴承由包含在制冷剂气体中并被夹带的油润滑。

公开(公告)号：US5551844A

公开(公告)日：1996-09-03

申请号：US498026

申请日：1995-07-03

申请人： Toshiro Fujii ,  Yuichi Kato ,  Kazuaki Iwama ,  Katsuya Ohyama

发明人： Toshiro Fujii ,  Yuichi Kato ,  Kazuaki Iwama ,  Katsuya Ohyama

IPC分类号： F04B27/10 ,  F04B49/00

CPC分类号： F04B27/1027

摘要： A reciprocating compressor includes double headed pistons forming front and rear sets of compression chambers on either side thereof and a pair of tapered rotary valves arranged for introducing a coolant gas into the compression chambers. The valves are urged into contact with valve chambers by springs and a drive shaft is urged in one axial direction by a prestress mechanism. The valve urging force for one rotary valve is different from the valve urging force for the other rotary valve, so that the rotary valves operate at different times and over different distances and the movements of the rotary valves are controlled to move the drive shaft in the same axial direction as the direction of the prestress mechanism.

摘要翻译： 往复式压缩机包括在其两侧形成前后组的压缩室的双头活塞和布置成将冷却剂气体引入压缩室的一对锥形旋转阀。 阀通过弹簧被推动与阀室接触，并且通过预应力机构在一个轴向方向上推动驱动轴。 一个旋转阀的阀推力不同于另一旋转阀的阀促动力，使得旋转阀在不同时间和不同距离上操作，并且控制旋转阀的运动以使驱动轴在 与预应力机构方向相同的轴向。