专利检索 ap:("Smith International, Inc.") AND inv:"UNDERWOOD, Lance" 第 1 页

1.

发明公开
APPARATUS AND METHOD FOR CONTROLLING OR LIMITING ROTOR ORBIT IN MOVING CAVITY MOTORS AND PUMPS, SUCH AS MUD MOTORS 审中-公开
标题翻译：设备及其控制方法或转子在轨道VERDRÄGERMOTOREN制约与泵以及SOLE引擎

公开(公告)号：EP2640921A2

公开(公告)日：2013-09-25

申请号：EP11841152.9

申请日：2011-11-18

申请人： Smith International, Inc.

发明人： JARVIS, Brian, P. , WILCOX, Nigel , WILLIAMS, Brian , UNDERWOOD, Lance , MURRAY, William , CARIVEAU, Peter, Thomas

IPC分类号： E21B4/04 , H02K7/12

CPC分类号： E21B4/02 , F03C2/08 , F04C2/1071 , F04C2/1075 , F04C13/008 , F04C2240/80 , Y10T29/49242

摘要： A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to the stator.

2.

发明授权
APPARATUS AND METHOD FOR CONTROLLING OR LIMITING ROTOR ORBIT IN MOVING CAVITY MOTORS AND PUMPS, SUCH AS MUD MOTORS 有权

公开(公告)号：EP2640921B1

公开(公告)日：2020-03-11

申请号：EP11841152.9

申请日：2011-11-18

申请人： Smith International, Inc.

发明人： JARVIS, Brian, P. , WILCOX, Nigel , WILLIAMS, Brian , UNDERWOOD, Lance , MURRAY, William , CARIVEAU, Peter, Thomas

IPC分类号： F04C2/107 , F03C2/08 , F04C13/00 , E21B4/02