About 27 results
https://drivepatents.com/patents/1013310 · 4 May 2011
The system has an exhaust gas recirculation line (10) branching towards an exhaust gas line (26), and comprises an exhaust gas recirculation valve with an actuator e.g. electrical actuator, and a fresh air duct. The recirculation line opens in to the duct....
https://drivepatents.com/patents/1068125 · 19 Apr 2006
A rack and pinion gear train actuator (110) for a pintle valve (115). A motor shaft (118) has a pinion gear (122) that engages a large reduction gear (126) having an integral hub gear (128). The hub gear is a planet gear for a ring gear segment (134) that ...
https://drivepatents.com/patents/1068762 · 29 Mar 2006
The valve closing mechanism has a motor with a rotating shaft, rotating part connected to the motor shaft, and operating part, which can rotate, and which is fitted eccentrically to the rotating part via a spring. The eccentricity is such that when the rot...
https://drivepatents.com/patents/1069397 · 8 Mar 2006
The invention proposes an eccentric drive mechanism for actuating a valve with a valve shaft where the eccentric drive mechanism (14) comprises a guiding element, such as a slotted cam plate 20, with a guide recess, such as an eccentric slot (22), wherein ...
https://drivepatents.com/patents/1069980 · 15 Feb 2006
A solenoid valve system (12), wherein the valve member (16) is provided with a seal member (28) disposed thereabout. The solenoid valve (12) is especially suitable for use with exhaust gas recirculation systems (14). The seal member (28) is operable to sli...
https://drivepatents.com/patents/1078228 · 27 Apr 2005
Exhaust gas recirculation valve (10) comprises a rotary drive (12), and a valve element (14) that can be rotated between an open and a closed position. A cam element (24) with a cam curve (26) transfers the rotational movement from the rotary drive to the ...
https://drivepatents.com/patents/1078229 · 27 Apr 2005
The valve (10) has a rotary drive (40), a rotary-reciprocal conversion mechanism (14, 18) including a drive element, and a valve element (26, 32). The drive element has a rotating connection to the valve element, at least in the direction of opening, so th...
https://drivepatents.com/patents/1083591 · 29 Sep 2004
The motor drive system has a drive shaft (10) with a disk (12) holding a first pin (18) with a groove (30) near its tip. The first end of a spring (32) engages in this groove. The spring is coiled around a bearing pin (14) and its second end engages on a p...
https://drivepatents.com/patents/1085144 · 4 Aug 2004
A valve unit, in particular an EGR valve unit, comprises a converting mechanism for converting the rotary movement of a drive shaft (28) in a linear movement for actuating a slideable actuating shaft (20) attached a valve closing member (18). The convertin...
https://drivepatents.com/patents/1090512 · 7 Jan 2004
The present invention is directed to an exhaust gas recirculation valve (10) incorporating a DC motor (30) and a dual poppet valve assembly (22). A motor (30) is contained inside of the valve housing (36). The motor (30) has a rotatable motor shaft (56) wi...