Inventor
CHANG DAVID YU-ZHANG
US9 patents
Patents
9 patentsUS6988471B2Jan 24, 2006
Engine valve actuation system
CATERPILLAR INC21 citations90
US11078826B1Aug 3, 2021
Gaseous fuel engine and sparkless operating strategy therefor
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US7228826B2Jun 12, 2007
Internal combustion engine valve seating velocity control
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US11078827B2Aug 3, 2021
Pre-chamber ignition system having igniter with gas orifice structured for pre-expanding outgoing combustion gases
CATERPILLAR INC3 citations71
US10072561B2Sep 11, 2018
Piston
CATERPILLAR INC2 citations71
US6997148B1Feb 14, 2006
Engine valve actuator
CATERPILLAR INC9 citations71
US7318398B2Jan 15, 2008
Engine valve actuation system
CATERPILLAR INC2 citations60
US11566545B2Jan 31, 2023
Cam actuated gas admission valve with electro-hydraulic trim control
CATERPILLAR INC0 citations50
US11236705B2Feb 1, 2022
Gaseous fuel mixer assembly for engine and engine system operating method
CATERPILLAR INC0 citations50