US 9,038,381 B2Granted

Device for actuating a flap

AssigneeBayerische Motoren Werke Aktiengesellschaft

InventorsStefan Ehrmann, Oliver Grabherr

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Abstract

A device for actuating a flap, in particular a wastegate flap in an exhaust gas turbocharger for an internal combustion engine, includes a control rod, which can be moved by an actuator substantially in an axial direction and is guided in a fist gate via a first pin at the side thereof facing away from the actuator. A carriage is articulated on the first pin and is guided in the first gate via a second pin on the side facing away from the first pin, wherein a pivot lever is articulated on the second pin and, on the side facing away from the second pin, the pivot lever is rotatably mounted in a machine housing, preferably a turbine housing, and the flap is arranged on the pivot lever on the side facing away from the second pin. By way of the articulated design, a non-linear adjustment of the flap is possible.

Claims12

Dependent claims

An apparatus configurable for actuating a flap via an actuator, the apparatus comprising:

a control rod operatively configured to be displaceable via the actuator;
a first slotted link having a first link portion and a second link portion in a link plate;
a first pin arranged on a side of the control rod facing away from the actuator, the control rod being guided in the first slotted link via the first pin;
a carriage separate from the link plate arranged in an articulated manner on the first pin and guided in the second link portion via a second pin on a side of the carriage facing away from the first pin;
and
a pivot lever arranged in an articulated manner on the second pin, the pivot lever being mountable in a rotatable manner in a machine housing on a side facing away from the second pin, wherein the flap is arrangeable on the pivot lever on the side facing away from the second pin,
wherein the control rod is displaced generally axially in a direction between the actuator and the first link portion.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/721,956Filed 20 Dec 2012 · continuation
Priority: DE 10 2010 031 50019 Jul 2010
Published: US 2013/0118161 A116 May 2013
Granted: 26 May 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

F02B 37/00
Engines characterised by provision of pumps driven at least for part of
F02B 37/186
Arrangements of bypass valves or actuators therefor: arrangements of actuators or linkage for bypass valves
F02C 6/12
Supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant: turbochargers, i.e. plants for…
F16K 1/221
With axis of rotation crossing the valve member, e.g. butterfly valves: specially adapted operating means therefor

Family

PCT/EP2011/003266Parent of this continuation · filed 1 Jul 2011
US 2013/0118161 A1Pre-grant publication · published 16 May 2013
US 9,038,381 B2This patent

From the US filing history. Foreign family members aren’t listed.

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