Ha T. Chung - Canton MI, US Mark L. Hopper - Ypsilanti MI, US John D. Norton - Ann Arbor MI, US Shawn H. Swales - Canton MI, US
Assignee:
Visteon Global Technologies, Inc. - Van Buren Township MI
International Classification:
F01L 9/04
US Classification:
123 9011, 123 9024, 25112901, 25112915
Abstract:
A lever electromechanical valve actuator assembly and arrangement of electromechanical valve actuators that creates a compact actuator assembly to increase ease of serviceability, provide space for engine components and eliminate interference between the actuators and components in the vehicle engine compartment.
Dither Amplitude Correction For Constant Current Drivers
Dirk E. Swanson - Canton MI, US Matthew T. LaDuke - Warren MI, US Mark L. Hopper - Ypsilanti MI, US Robert J. Bolduc - Allen Park MI, US
Assignee:
Visteon Global Technologies, Inc. - Van Buren Township MI
International Classification:
H03K 17/687
US Classification:
327427, 327434, 327307, 327 73
Abstract:
In satisfying the above need, as well as overcoming the enumerated drawbacks and other limitations of the related art, the present invention provides an improved switched driver circuit. As disclosed above, there is a need to compensate for the high impedance load characteristics in certain implementations of hysteretic switching constant current drivers. The switching waveform of switching constant current driver circuits may be modified in such a way that retains the important dither characteristics and improves system level performance.
Ha T. Chung - Canton MI, US Mark L. Hopper - West Chester OH, US John D. Norton - Candler NC, US Shawn H. Swales - Canton MI, US
Assignee:
Visteon Global Technologies, Inc. - Van Buren Township MI
International Classification:
F01L 9/04
US Classification:
123 9011, 25112901, 25112916
Abstract:
An electromechanical valve actuator with an armature stem guidance system that ensures that the armature stem stays aligned with the valve stem during operation. The stem guidance system may also allow for adjustment of the lash gap during assembly.
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Company / Classification
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Mark Hopper Principal
LLC Hopper Matthews Heavy Construction Heavy Construction · Heavy Construction, Nec, Nsk
1107 W 10 St, Austin, TX 78703
Mark Hopper Principal
Mark Hopper Foundation Civic/Social Association
7000 Louisiana Blvd NE, Albuquerque, NM 87109
Mark Hopper
MARK HOPPER DISTRIBUTING, INC
Mark A. Hopper Manager
HOPPER DOCK, LLC Business Services at Non-Commercial Site