About 18 results
https://drivepatents.com/patents/955485 · 18 Nov 2015
The present invention is a device for heat exchange particularly suitable for cooling recirculated gas in EGR (Exhaust Gas Recirculation) systems, with a constructive configuration incorporating the heat exchanger together with a bypass conduit and a bypas...
https://drivepatents.com/patents/987721 · 7 Aug 2013
The exhaust gas directional valve (1) has a control element (3) that is arranged movably within a housing portion (2). A channel (4) is formed in the housing portion to connect an inlet port (E) with an outlet port (A1), while closing the connection with o...
https://drivepatents.com/patents/985983 · 20 Feb 2013
The engine has a driving block (1) provided with a cylinder. An exhaust-gas recirculation (EGR) adjustment unit adjusts a bypass section in an exhaust gas heat exchanger (3) between 0 and 100 percent according to recycled exhaust gas output to avoid great ...
https://drivepatents.com/patents/998890 · 29 Aug 2012
The valve device has a shaft (10) that is rotatably mounted in housing (2). An actuator is rotatable over the shaft and valve elements (12,14) are fixed on the shaft. The cross section of the channels (4,6) provided in the housing is adjustable by rotating...
https://drivepatents.com/patents/1001138 · 20 Jun 2012
The exhaust gas recirculation module has two exhaust gas recirculation channels (12), two control valve bodies (18) and two exhaust cooling channels (56) with a coolant channel (34). The bypass valves (42) are arranged in a common exhaust gas recirculation...
https://drivepatents.com/patents/1010039 · 17 Aug 2011
The present invention relates to an exhaust gas recirculation valve in a vehicle in which two valves are controlled individually by using one driving source and which enables secure operation of a vehicle even in a case the driving source is out of order. ...
https://drivepatents.com/patents/1013471 · 27 Apr 2011
The valve has valve sleeves moved in a direction of a sleeve axle (22). A sliding bearing element (26) is provided with a bearing surface for bearing and a flange surface (30). The bearing element seals the valve sleeves to a lateral surface (25). The late...
https://drivepatents.com/patents/1068734 · 29 Mar 2006
Provided is an EGR system (10) which can selectively cool the EGR depending on the operating condition of the engine (1), and is provided with a switching valve (15) having an improved operating stability. The switching valve (15) comprises a valve stem (3...
https://drivepatents.com/patents/1069639 · 1 Mar 2006
The valve (1) has a housing in which three passage openings of an outlet or inlet channel are arranged. A valve plate is provided at two of the passage openings of the outlet or inlet channel. A control opening is provided at a valve unit (10), which is mo...
https://drivepatents.com/patents/1072248 · 23 Nov 2005
The valve device has a valve member (2) fixed precisely to a valve rod (1) to open or close the fluid connection between a first inlet or outlet channel (6) to a second or third outlet or inlet channel (7, 9) via a free cross section. The valve member may ...