Jonathan P Jeffries

US Patent:

20110173972, Jul 21, 2011

Filed:

Jun 14, 2010

Appl. No.:

12/814524

Inventors:

Robert Andrew Wade - Dearborn MI, US
Todd Jay Brewer - Dearborn MI, US
Jonathan Patrick Jeffries - Canton MI, US

International Classification:

F02D 23/00
F01N 1/00
F01N 5/04
F02F 1/42
F02B 75/22
F02F 1/10

US Classification:

60602, 60324, 60280, 1231935, 123 544, 123 4172

Abstract:

An internal combustion engine cylinder head is based upon a one-piece structure including a number of exhaust runners, an exhaust collector, and a turbocharger exhaust turbine housing, all formed as one-piece.

US Patent:

7913656, Mar 29, 2011

Filed:

Oct 31, 2007

Appl. No.:

11/933373

Inventors:

Michael Bruno Magnan - Dearborn MI, US
Brian Jon Fregonese - Fond Du Lac WI, US
Jonathan Patrick Jeffries - Canton MI, US
Todd Brewer - Dearborn MI, US

Assignee:

Ford Global Technologies, LLC - Dearborn MI

International Classification:

F01L 1/34

US Classification:

123 9016, 123 9039

Abstract:

Systems and methods for selectively activating and deactivating gas exchange valves in a variable displacement internal combustion engine include a rocker arm having a positioning device that opposes movement of a lash adjustment device while deactivated to position a coupling hole of the rocker arm within a desired coupling range to facilitate coupling of the rocker arm during subsequent activation of an associated engine cylinder.