Borgwarner Inc.

Brian Edward Handlon

Ryan Howell

Jeffrey Carter

Jason W Chekansky

Robert Lotz

Lathom Alexander Louco

Paul Diemer

George Edward Heddy, Iii

Jason Chekansky

A turbocharger is used within a vehicle and includes an electronic actuator assembly. The electronic actuator assembly includes an actuator housing coupled to at least one of the turbine housing, the compressor housing, and the bearing housing, and an accelerometer coupled to the actuator housing. The accelerometer is adapted to detect vibration of at least one of the turbine housing, the compressor housing, the bearing housing, and the actuator housing thereby obtaining acceleration data of at least one of the turbine housing, the compressor housing, the bearing housing, and the actuator housing to determine rotational speed of the turbocharger shaft. Another embodiment includes a vibration detection assembly having an accelerometer coupled to a vehicle component and the vehicle component is one or more of a turbocharger, a valve assembly, an electronically driven compressor, and a turbocharger having an integral electric motor.

Turbocharger, vibration detection assembly, and method of using same

A power electronics assembly that controls an electrically-actuated turbocharger includes a printed circuit board (PCB) having a non-conductive substrate supporting one or more electrical components that attach to the non-conductive substrate on one or more sides of the PCB; one or more conductive layers that couple with the non-conductive substrate and conduct electrical current within the PCB; a fluid barrier layer applied to an outer surface of the non-conductive substrate or conductor layer; and a PCB housing, configured to couple with the electrically-actuated turbocharger, having a fluid cavity that communicates liquid from an internal combustion engine (ICE) to the fluid barrier layer separating the liquid and the PCB.

Liquid-cooled power electronics assembly for electrically-actuated turbochargers

A wastegate assembly with a valve head moved linearly toward and away from a wastegate port via a valve stem. When the valve is in an open position the valve seat face of the valve head is spaced apart from the valve seat. When the valve is in a closed position the valve seat face of the valve head is secured against the valve seat. The wastegate assembly includes a sidewall surrounding the wastegate port elongated in the direction of valve movement. The contoured side wall widens going away from the valve seat. The minimum flow area through the wastegate port is controlled such that the flow is choked via the side wall rather than the valve curtain area. The contoured side wall can be recessed into the housing or extend from the housing.

Method of controlling wastegate flow using port side wall contour

A heat isolating linkage () that includes an elongate link having first and second end portions () and a middle portion () extending therebetween. A bearing opening () is formed in the first end portion () and a bearing race () is disposed in the bearing opening (). A rod end ball () is disposed in the bearing race (). At least one aperture (-) is formed through the middle portion (). The middle portion () may include a plurality of apertures (-) each in the form of a rectangle that forms a ladder pattern. Accordingly, the middle portion () has a cross sectional area (A) that is smaller than the cross sectional area of at least one of the first and second end portions (A, A).

Heat isolating VTG lever and linkage

A valve actuator () and method for controlling such is disclosed. The valve actuator () may include a body (), a piston (), a first spring () displaceable between a primary position () and a secondary position (), and a second spring () displaceable between a first position () and a second position (). The first and second springs () are configured to be simultaneously displaced during movement of the piston () from a first piston position () to a second piston position (). The first spring () is configured to compress to a higher first spring force (F) during displacement from the primary position () to the secondary position (), and the second spring () is configured to have a decreasing second spring force (F) during displacement from the first position () to the second position (), the second spring force (F) decreasing non-linearly.

Degressive pneumatic actuator spring rate

A product may include a canister and a diaphragm may separate a control chamber within the canister. A piston may be movable in the canister between a first position and a second position in response to a pressure change in the control chamber. The piston may have a body and a skirt may extend from the body. The skirt may taper inward relative to the body as the skirt extends away from the body.

Reverse taper piston for pneumatic actuators

An exhaust gas turbocharger with a wastegate port configured to permit some exhaust gas flow to exit a turbine volute upstream of the turbine wheel and enter a bypass channel thereby bypassing the turbine wheel, a valve with a valve head dimensioned to seat on a valve seat and to move between a seated position and an open position, the bypass channel having a sidewall contoured to surround the valve head as the valve head moves between the seated position and the open position, he bypass channel sidewall shaped so that a throat area (A) area between the bypass channel sidewall and valve head gradually increases as the valve head moves between the seated and the open position, such the bypass flow is controlled by the throat area (A) and not the area between the valve head and the valve seat.

A system for controlling movement of an actuator includes an input power source that provides an input pulse width (PWM) signal; a motor driver that receives the PWM signal and provides a synthesized three-phase drive signal; a brushless direct current (BLDC) motor that receives the drive signal and operates in response to the received drive signal to reposition the actuator; and a controller that receives the PWM signal. The controller includes an amplitude detection module that detects the amplitude of the PWM signal, and a direction detection module that detects the polarity of the PWM signal.

Growing community of inventors

Horse Shoe, NC, United States of America

Brian Edward Handlon