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1. 发明授权

EP0427553B1 Shaft sealing arrangements 失效
标题翻译：的轴密封组件。
公开(公告)号：EP0427553B1
公开(公告)日：1995-09-13
申请号：EP90312247.1
申请日：1990-11-08
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F16J15/32 , F16J15/40
CPC分类号： F16J15/406 , F16J15/3244

2. 发明公开

EP0480629A1 Improvements in mechanical pumps 失效
标题翻译：泵送机械泵。
公开(公告)号：EP0480629A1
公开(公告)日：1992-04-15
申请号：EP91309065.0
申请日：1991-10-03
申请人： The BOC Group plc
发明人： Wycliffe, Henryk , Dennis, Nigel Thomas Metcalfe
IPC分类号： F04C23/00
CPC分类号： F04C18/123 , F04C23/001 , F04C2220/12 , F04C2240/51
摘要： A mechanical vacuum pump comprising at least two stages with a pair of intermeshing rotors operating in a pumping chamber associated with each stage, the rotor of each pair being on respective shafts passing through the chamber and arranged for rotation in opposite angular directions, wherein the pump has a first body portion containing or having associated therewith support, control and drive means to drive the shafts synchronously in opposite directions with the shafts protruding from this first body portion into a second body portion in which the pumping chambers are situated. Preferably, the pump is designed for operation with the shafts vertically orientated.
摘要翻译：一种机械真空泵，包括至少两个级，其中一对相互啮合的转子在与每个级相关联的泵送室中操作，每对的转子在相应的轴上穿过所述腔并被布置成沿相反的角度方向旋转，其中所述泵具有第一主体部分，其包含或具有与其相关联的支撑，控制和驱动装置，以与所述轴从所述第一主体部分突出到所述泵送室所在的第二主体部分中以相反的方向同步地驱动所述轴。优选地，泵设计成用于垂直定向的轴的操作。

3. 发明公开

EP0427553A1 Shaft sealing arrangements 失效
标题翻译： Wellendichtungsanordnung。
公开(公告)号：EP0427553A1
公开(公告)日：1991-05-15
申请号：EP90312247.1
申请日：1990-11-08
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F16J15/32 , F16J15/40
CPC分类号： F16J15/406 , F16J15/3244
摘要： The present invention provides a sealing arrangement for effecting a seal with a rotatable shaft having with respect to its longitudinal axis a generally cylindrical shape but with a portion thereof of conical shape, which comprises a shaft seal positioned so that its sealing lip engages the shaft and so that any liquid escaping from a first (liquid) side of the seal to a second (air) side of the seal enters an annular cavity formed on one side by the conical portion of the shaft whose cross-sectional diameter decreases in a direction away from the sealing lip on the second side.
摘要翻译：本发明提供了一种密封装置，用于利用可旋转轴进行密封，所述密封件相对于其纵向轴线具有大致圆柱形形状但具有其圆锥形形状的部分，该密封装置包括定位成使其密封唇与轴接合的轴密封件使得从密封件的第一（液体）侧泄漏到密封件的第二（空气）侧的任何液体进入通过轴的锥形部分在一侧形成的环形空腔，该圆锥形部分的横截面直径沿远离的方向减小从第二侧的密封唇。

4. 发明公开

EP0366347A3 Improvements in mechanical pumps 失效
标题翻译：机械泵的改进
公开(公告)号：EP0366347A3
公开(公告)日：1990-08-16
申请号：EP89310702.9
申请日：1989-10-18
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F04C18/12
CPC分类号： F04C18/123 , F04C18/088
摘要： A mechanical pump having a pumping chamber 10 within which is positioned a pair of intermeshing rotors 5,8, preferably of the claw type, with each rotor mounted for rotation on respective shafts and the first rotor 8 being associated with an inlet 9 to the pumping chamber 10 and the second rotor 5 being associated with an outlet 3 from the pumping chamber, wherein the second rotor 5 has a cavity 6 in its surface immediately adjacent the outlet 3.

5. 发明授权

EP0366347B1 Improvements in mechanical pumps 失效
标题翻译：机械泵的改进
公开(公告)号：EP0366347B1
公开(公告)日：1993-07-07
申请号：EP89310702.9
申请日：1989-10-18
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F04C18/12
CPC分类号： F04C18/123 , F04C18/088

6. 发明公开

EP0366347A2 Improvements in mechanical pumps 失效
标题翻译：机械泵
公开(公告)号：EP0366347A2
公开(公告)日：1990-05-02
申请号：EP89310702.9
申请日：1989-10-18
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F04C18/12
CPC分类号： F04C18/123 , F04C18/088
摘要： A mechanical pump having a pumping chamber 10 within which is positioned a pair of intermeshing rotors 5,8, preferably of the claw type, with each rotor mounted for rotation on respective shafts and the first rotor 8 being associated with an inlet 9 to the pumping chamber 10 and the second rotor 5 being associated with an outlet 3 from the pumping chamber, wherein the second rotor 5 has a cavity 6 in its surface immediately adjacent the outlet 3.
摘要翻译：具有泵送室10的机械泵，其中定位有一对啮合转子5,8，优选为爪型，其中每个转子安装成用于在相应的轴上旋转，并且第一转子8与入口9相关联以泵送腔室10和第二转子5与来自泵送室的出口3相关联，其中第二转子5在紧邻出口3的表面中具有空腔6。

7. 发明公开

EP0338764A2 Vacuum pumps 失效
标题翻译： Vakuumpumpen。
公开(公告)号：EP0338764A2
公开(公告)日：1989-10-25
申请号：EP89303810.9
申请日：1989-04-18
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F04C29/00
CPC分类号： F04C29/0092 , F04C25/02 , F04C2220/12
摘要： A vacuum pump comprising a pumping chamber 2,3,4,5 having an inlet 6 and an outlet 8 through which gas from an enclosure connectible to the inlet 6 can be pumped, in which means are provided to allow the selective introduction through the chamber of a flow of recirculating purge gas to effect pumping of the chamber, the means preferably being such that the recirculating purge gas is produced in a gas circuit including the inlet 6 and the outlet 8 and also including a filter 11.
摘要翻译：一种真空泵，其包括具有入口6和出口8的泵送室2,3,4,5，通过该出口8可以泵送来自可连接到入口6的外壳的气体，其中提供了装置，以允许通过室的循环吹扫气体的流动以实现腔室的泵送，该装置优选地使得循环吹扫气体在包括入口6和出口8的气体回路中产生并且还包括过滤器11。

8. 发明授权

EP0427553B2 Shaft sealing arrangements 失效
标题翻译：的轴密封组件
公开(公告)号：EP0427553B2
公开(公告)日：2001-11-14
申请号：EP90312247.1
申请日：1990-11-08
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F16J15/32 , F16J15/40
CPC分类号： F16J15/406 , F16J15/3244

9. 发明公开

EP0597731A1 Rotor for vane pump 失效
标题翻译： RotorfürFlügezellenpumpe。
公开(公告)号：EP0597731A1
公开(公告)日：1994-05-18
申请号：EP93309084.7
申请日：1993-11-12
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F01C21/08 , F01C1/344
CPC分类号： F01C21/08
摘要： A rotary pump comprising a stator body having a bore and a rotor assembly mounted eccentrically in the bore to form a cavity between the stator body and the rotor assembly, the rotor assembly having two blades slideably positioned in diametrically opposed slots in the assembly which in use of the pump are substantially in contact with an inner wall of the stator body, and the stator body having an inlet and an outlet to allow, in use of the pump, fluid being pumped to enter into and be expelled from the cavity by means of the rotating vanes, wherein the rotor assembly is of integral construction with each slot formed therein having an arcuate base and wherein each blade has an end portion substantially conforming to the arcuate slot base.
摘要翻译：一种旋转泵，包括具有孔的定子体和偏心地安置在所述孔中的转子组件，以在所述定子体和所述转子组件之间形成空腔，所述转子组件具有可滑动地定位在所述组件中的直径相对的狭槽中的两个叶片，所述泵基本上与所述定子体的内壁接触，并且所述定子体具有入口和出口，以在使用所述泵时允许被泵送的流体进入所述腔并通过所述腔排出旋转叶片，其中转子组件是整体结构，其中形成在其中的每个槽具有弓形基部，并且其中每个叶片具有基本上符合弓形槽基部的端部。

10. 发明授权

EP0338764B1 Vacuum pumps 失效
标题翻译：真空泵
公开(公告)号：EP0338764B1
公开(公告)日：1992-11-04
申请号：EP89303810.9
申请日：1989-04-18
申请人： The BOC Group plc
发明人： Wycliffe, Henryk
IPC分类号： F04C29/00
CPC分类号： F04C29/0092 , F04C25/02 , F04C2220/12

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