公开(公告)号：US4808095A

公开(公告)日：1989-02-28

申请号：US108702

申请日：1987-10-15

申请人： Kunihiko Nishitani ,  Noboru Tsuboi

发明人： Kunihiko Nishitani ,  Noboru Tsuboi

IPC分类号： F04C25/02 ,  F04C28/28 ,  F04C29/04 ,  F04C2/16

CPC分类号： F04C29/042 ,  F04C18/16 ,  F04C25/02 ,  F04C2220/12

摘要： A screw vacuum pump which includes a pair of screw rotors meshed with each other. The vacuum pump includes an oilless screw vacuum pump suitable for application to industries where air containing foreign matter is detrimental to the products to be produced and for application to the food industry where odorous air must be avoided.

摘要翻译： 螺杆真空泵，其包括彼此啮合的一对螺杆转子。 真空泵包括无油螺杆真空泵，适用于含有异物的空气对生产产品有害的行业，适用于必须避免气味的食品工业。

公开(公告)号：US08205469B2

公开(公告)日：2012-06-26

申请号：US12402674

申请日：2009-03-12

申请人： Noboru Tsuboi

发明人： Noboru Tsuboi

IPC分类号： F25B1/00

CPC分类号： F04C23/008 ,  F04C18/16 ,  F04C23/001 ,  F04C29/005 ,  F04C29/045 ,  F25B1/047 ,  F25B1/10 ,  F25B31/006

摘要： There is provided a two-stage screw compressor including a first-stage compressor that compresses a fluid, a second-stage compressor that further compresses the fluid compressed by the first-stage compressor, a motor that drives the first-stage compressor and the second-stage compressor, and a box body that serves as a flow passage connecting an outlet of the first-stage compressor and an inlet of the second-stage compressor, and also forms a connection space storing a transmission mechanism for transmitting a rotation force from the motor to the first-stage compressor and to the second-stage compressor, wherein the connection space is sealed by the casing of the motor, and the connection space and an internal space of the casing of the motor communicate with each other.

摘要翻译： 提供了一种两级螺杆式压缩机，其包括压缩流体的第一级压缩机，进一步压缩由第一级压缩机压缩的流体的第二级压缩机，驱动第一级压缩机和第二级压缩机的马达 台阶式压缩机，以及作为连接第一级压缩机的出口和第二级压缩机的入口的流路的箱体，还形成有用于传递来自第一级压缩机的旋转力的传动机构的连接空间 电动机到第一级压缩机和第二级压缩机，其中连接空间被电动机的壳体密封，并且电动机的壳体的连接空间和内部空间彼此连通。

公开(公告)号：US08039751B2

公开(公告)日：2011-10-18

申请号：US12722084

申请日：2010-03-11

申请人： Noboru Tsuboi

发明人： Noboru Tsuboi

IPC分类号： H01B17/26

CPC分类号： H02K5/225

摘要： In a motor, one ends of a plurality of electric wires with the other ends connected to the motor side are connected to a terminal rod, and the terminal rod is exposed to the exterior of a motor casing via a terminal base. The terminal rod is provided with a flange portion and a crimping portion. A concave part is formed on an end surface of the crimping portion, and a communication part providing communication between an outer surface and the concave part is formed. The terminal base is provided with a depression to be fitted to the flange portion of the terminal rod, a seal portion having a diameter reduced from the depression, and a through portion passing from the seal portion through to the exterior of the motor casing. A seal member is put on the terminal rod. In a state that the electric wires are inserted into the concave part of the crimping portion, the outer surface of the crimping portion is pressurized, so that the electric wires are fixed to the crimping portion. With such a configuration, it is possible to reduce electric resistance between the electric wires from the motor side and the terminal rod and strongly combine the electric wires and the terminal rod.

摘要翻译： 在电动机中，将多个电线的一端连接到电动机侧的一端连接到端子杆，并且端子杆经由端子座露出到电动机壳体的外部。 端子杆设有凸缘部分和压接部分。 在压接部的端面形成有凹部，形成了在外表面与凹部之间形成连通的连通部。 端子台设置有凹陷部，该凹部配合到端子棒的凸缘部，具有从凹部减小的直径的密封部以及从密封部通过到马达壳的外部的贯通部。 密封件放在端子杆上。 在将电线插入压接部的凹部的状态下，压接部的外表面被加压，电线固定在压接部上。 通过这样的结构，可以降低电动机侧的电线与端子棒之间的电阻，并且使电线和端子棒结合牢固。

公开(公告)号：US06484522B2

公开(公告)日：2002-11-26

申请号：US09884016

申请日：2001-06-20

申请人： Noboru Tsuboi

发明人： Noboru Tsuboi

IPC分类号： F25B1047

CPC分类号： F04C28/08 ,  F04C18/16 ,  F04C2240/403 ,  F04C2270/01 ,  F04C2270/18 ,  F04C2270/19 ,  F25B1/047 ,  F25B49/025 ,  F25B2600/021 ,  F25B2700/1933 ,  F25B2700/21157 ,  Y02B30/741

摘要： The present invention provides a screw compressor for refrigerating apparatus capable of controlling the rotational speed of a motor to be suitable for cooling heat load by simply controlling an inverter, without causing the overload of the motor. The screw compressor 1A for refrigerating apparatus 10A, which uses a motor 22 controlled by an inverter, as a driving portion, is provided with a suction pressure detector D3 as a heat load detecting means for detecting the cooling heat load; a motor coil temperature detector D1 as a means for detecting the load condition of the motor 22; and a controller 26 that decreases the rotational speed of the motor 22 if the capacity of the compressor is determined as excessive based on a pressure signal from the detector D3, maintains the rotational speed if the capacity is determined neither excessive nor lacking. In case that the capacity is determined as lacking, the controller 26 reduces the rotational speed if the load condition is determined as excessive based on a temperature signal from the detector D1 and increases the rotational speed in the other case.

摘要翻译： 本发明提供一种用于制冷装置的螺杆式压缩机，其能够通过简单地控制逆变器来控制电动机的转速适合于冷却热负荷，而不会引起电动机的过载。制冷装置10A的螺杆式压缩机1A 使用由逆变器控制的电动机22作为驱动部分，设置有作为用于检测冷却热负荷的热负荷检测装置的吸入压力检测器D3; 作为用于检测电动机22的负载状态的装置的电动机线圈温度检测器D1; 以及控制器26，如果根据来自检测器D3的压力信号将压缩机的容量确定为过大，则降低电动机22的转速，如果容量被确定为既不过量也不缺乏，则保持转速。 在容量被确定为缺乏的情况下，如果根据来自检测器D1的温度信号将负载条件确定为过量，则控制器26降低转速，并且在另一种情况下增加转速。

公开(公告)号：US5044906A

公开(公告)日：1991-09-03

申请号：US461912

申请日：1990-01-08

申请人： Noboru Tsuboi

发明人： Noboru Tsuboi

IPC分类号： F04C18/16 ,  F04C18/08

CPC分类号： F04C18/084

摘要： A screw rotor for a screw pump device includes a male rotor and a female rotor meashing with the male rotor and adapted to be driven by the male rotor, wherein a tooth profile of the female and male rotors is unsymmetrical such that the sum of absorbing torques of the female rotor is negative. Accordingly, a negative torque is always positively applied to the female rotor, thereby preventing the generation of abnormal noise and abnormal vibration due to collision of the tooth surfaces of both the rotors. As a result, a volumetric efficiency and an adiabatic efficiency can be improved.

摘要翻译： 用于螺杆泵装置的螺杆转子包括阳转子和母转子，其与阳转子一起测量并且适于由阳转子驱动，其中阴转子和阳转子的齿廓不对称，使得吸收转矩之和 的女性转子是负的。 因此，负转矩总是积极地施加到母转子，从而防止由于两个转子的齿面的碰撞而产生异常噪声和异常振动。 结果，可以提高体积效率和绝热效率。

公开(公告)号：US4781553A

公开(公告)日：1988-11-01

申请号：US77219

申请日：1987-07-24

申请人： Ituro Nomura ,  Kunihiko Nishitani ,  Noboru Tsuboi

发明人： Ituro Nomura ,  Kunihiko Nishitani ,  Noboru Tsuboi

IPC分类号： F04C27/00 ,  F04C18/16 ,  F04C29/02 ,  F16J15/16

CPC分类号： F04C27/009 ,  Y10S277/927

摘要： A screw vacuum pump which includes a casing having a rotor chamber opened at its one end to a suction opening and opened at the other end to a discharge opening; a pair of male and female screw rotors rotatably received in the rotor chamber, each of the screw rotors having a pair of rotor shafts supported by forcibly lubricated bearings on both sides of the suction opening and the discharge opening; at least one first sealing member provided between the bearing on at least the suction opening side and the rotor chamber and communicated with a space under pressure less than atmospheric pressure which space is out of communication with the suction opening; and at least one second sealing member provided between the bearing on at least the suction opening side and the rotor chamber and communicated with the atmosphere, the first and second sealing members being arranged in this order from the rotor chamber side.

摘要翻译： 1.一种螺杆式真空泵，其特征在于，具有壳体，该壳体的一端部与吸入口开放，另一端开放于排出口， 一对可旋转地容纳在转子室中的公螺纹转子和内螺纹转子，每个螺杆转子具有一对转子轴，该转子轴由吸入口和排出口两侧的强制润滑轴承支承; 至少一个第一密封构件，设置在至少所述吸入口侧的所述轴承和所述转子室之间，并且在与所述吸入口不相关的空间下与空气压力小于大气压的空间连通; 以及至少一个第二密封构件，设置在所述轴承至少所述吸入口侧和所述转子室之间并与所述大气连通，所述第一密封构件和所述第二密封构件从所述转子室侧依次配置。

公开(公告)号：US4671750A

公开(公告)日：1987-06-09

申请号：US884070

申请日：1986-07-10

申请人： Kiyotada Miyoshi ,  Noboru Tsuboi ,  Kunihiko Nishitani ,  Kazuo Kubo ,  Shouji Yoshimura

发明人： Kiyotada Miyoshi ,  Noboru Tsuboi ,  Kunihiko Nishitani ,  Kazuo Kubo ,  Shouji Yoshimura

IPC分类号： F04C18/08

CPC分类号： F04C18/084 ,  Y10T74/19953

摘要： A screw rotor mechanism which includes a female rotor F having tooth crests each being formed by a leading side arc g2-a2 overlying a tooth tip circle Cf thereof and a following side are a2-b2 having its center at a point 07 on a pitch circle Pf thereof, and a male rotor M having tooth tips each being formed by an arc c1-d1 having its center at an interaxial line passing through axes Of,Om of the female and male rotors F,M. The male rotor M also has tooth bottoms being complementary to tooth female tooth crests or tips and forms no seal grooves thereon. The thus shaped rotors are adapted to be machined with a high efficiency by a gear hobbing machine.

摘要翻译： 一种螺旋转子机构，其包括具有齿顶的母转子F，每个齿顶由覆盖其齿尖圆Cf的前侧圆弧g2-a2和后侧形成，a2-b2的中心在节点的点07处 Pf，以及具有齿尖的阳转子M，其各自由弧形c1-d1形成，圆弧c1-d1的中心线穿过阴轮和阳转子F，M的轴线Om。 阳转子M还具有与齿母牙顶或尖端互补的齿底，并且在其上不形成密封槽。 这样成型的转子适于通过滚齿机高效地加工。

公开(公告)号：US08622725B2

公开(公告)日：2014-01-07

申请号：US13252464

申请日：2011-10-04

申请人： Noboru Tsuboi

发明人： Noboru Tsuboi

IPC分类号： F03C2/00 ,  F03C4/00 ,  F04C18/00

CPC分类号： F04C18/16 ,  F04C23/008 ,  F04C28/16

摘要： A screw compressor includes a pair of rotors housed in a rotor chamber. A gas sucked from an intake channel is compressed by the screw rotors and discharged from a discharge channel. A columnar space having a functional end face with an opening into an intermediate pressure section, which is an empty space in the rotor chamber and isolatable from both the intake channel and the discharge channel by the screw rotors. The functional end face has an opening into a bypass channel in communication with the discharge channel. A piston, inserted in the columnar space and brought into contact with the functional end face, separates the intermediate pressure section from the bypass channel when the piston contacts the functional end face. A pressure detection channel allows an area located on an opposite side of the functional end face in the columnar space to communicate with the discharge channel.

摘要翻译： 螺杆式压缩机包括容纳在转子室中的一对转子。 从进气通道吸入的气体被螺杆转子压缩并从排出通道排出。 具有功能端面的柱状空间，其具有通向中间压力部分的开口，所述中间压力部分是转子室中的空白空间，并且可通过螺杆转子与进气通道和排出通道两者分离。 功能端面具有与放电通道连通的旁路通道的开口。 当活塞接触功能端面时，插入柱状空间并与功能端面接触的活塞与旁通通道分离。 压力检测通道允许位于柱状空间中的功能端面的相反侧的区域与排出通道连通。

公开(公告)号：US06755039B2

公开(公告)日：2004-06-29

申请号：US10653975

申请日：2003-09-04

申请人： Noboru Tsuboi

发明人： Noboru Tsuboi

IPC分类号： F25B4100

CPC分类号： F25B31/008 ,  F04C18/16 ,  F04C29/0014 ,  F25B1/047 ,  F25B2600/025 ,  F25B2600/2509 ,  F25B2600/2513 ,  F25B2700/1933 ,  F25B2700/21152 ,  F25B2700/2117

摘要： A screw refrigerating apparatus comprising a refrigerant circulating passage including a screw compressor, a condenser, an expansion valve, and an evaporator is constituted such that a bypass flow passage branching at a part of the refrigerant circulating passage between the condenser and the expansion valve, routing through throttle means, and communicating with a rotor room within the screw compressor is provided. The screw refrigerating apparatus is capable of simplifying the structure, decreasing the size, decreasing labor of the maintenance, and the like.

摘要翻译： 包括螺旋压缩机，冷凝器，膨胀阀和蒸发器的制冷剂循环通道的螺杆式制冷装置构成为在冷凝器和膨胀阀之间的制冷剂循环通道的一部分分支的旁通流路， 提供通过节流装置，并与螺杆式压缩机内的转子室连通。 螺杆式制冷装置能够简化结构，减小尺寸，减少维护的劳动等。

公开(公告)号：US5199858A

公开(公告)日：1993-04-06

申请号：US735281

申请日：1991-07-24

申请人： Noboru Tsuboi ,  Masaki Matsukuma ,  Kazuo Kubo ,  Terumasa Kume ,  Tsuyoshi Niimura ,  Atsushi Ikeda

发明人： Noboru Tsuboi ,  Masaki Matsukuma ,  Kazuo Kubo ,  Terumasa Kume ,  Tsuyoshi Niimura ,  Atsushi Ikeda

IPC分类号： F04B39/04 ,  F04B39/16 ,  F04C18/16 ,  F04C23/00 ,  F04C29/02

CPC分类号： F04C23/00 ,  F04B39/04 ,  F04B39/16 ,  F04C18/16 ,  F04C29/026 ,  Y10S418/01

摘要： An oil injection type screw compressor which includes an oil tank for separating lubricating oil from gas discharged from a compressor body and collecting the thus separated lubricating oil is constituted such that the oil tank has a substantially L-shaped vertical section composed of a base portion and a column portion provided uprightly on the base portion such that a spacing in the base portion located above an oil storage portion at a lower location in the base portion is formed such that it extends from an upper portion in the base portion to the inside of the column portion, and an oil separating element is provided on the inner side of an exit of gas at an upper portion of the column portion while the compressor body is disposed on the base portion.

摘要翻译： 一种注油式螺杆式压缩机，其特征在于，具备将从所述压缩机主体排出的气体中分离润滑油并收集分离出的润滑油的油箱，使得所述油箱具有大致L字形的由基部和 柱部，其竖直设置在基部上，使得位于基部的下部位置的储油部上方的基部的间隔形成为从基部的上部延伸到基部的内侧 柱部分和油分离元件设置在柱体部分的上部处的气体出口的内侧，同时压缩机主体设置在基部上。