Adaptive torque mitigation by micro-hybrid system
M Nagashima, MR Pirjaberi, LJ Serrano… - US Patent …, 2019 - Google Patents
A variety of methods and arrangements for reducing noise, vibration and harshness (NVH)
in a skip fire engine control system are described. In one aspect, a firing sequence is used to …
in a skip fire engine control system are described. In one aspect, a firing sequence is used to …
Engine torque smoothing
MR Pirjaberi, K Eisazadeh-far, SE Carlson… - US Patent …, 2018 - Google Patents
Methods, devices, estimators, controllers and algorithms are described for estimating the
torque profile of an engine and/or for controlling torque applied to a powertrain by one or …
torque profile of an engine and/or for controlling torque applied to a powertrain by one or …
Lean burn internal combustion engine exhaust gas temperature control
MA Younkins, SK Chen, MA Wilcutts - US Patent 10,247,072, 2019 - Google Patents
8, 886, 422 B2 11/2014 Sujan et al. 8, 892, 330 B2 11/2014 Yuille et al. 8, 931, 255 B2
1/2015 Wilson 9, 086, 020 B2 7/2015 Pirjaberi et al. 9, 267, 454 B2 2/2016 Wilcutts et al. 9 …
1/2015 Wilson 9, 086, 020 B2 7/2015 Pirjaberi et al. 9, 267, 454 B2 2/2016 Wilcutts et al. 9 …
Engine torque smoothing
MR Pirjaberi, K Eisazadeh-far, SE Carlson… - US Patent …, 2019 - Google Patents
Primary Examiner-Thomas Moulis (74) Attorney, Agent, or Firm—Beyer Law Group LLP (57)
ABSTRACT Methods, devices, estimators, controllers and algorithms are described for …
ABSTRACT Methods, devices, estimators, controllers and algorithms are described for …
Multi-level skip fire
MA Younkins, LJ Serrano - US Patent 9,689,327, 2017 - Google Patents
Related US Application Data is a continuation of application No. 14/188.479, filed on Feb.
24, 2014, now Pat. No. 9,086,024, which is a continuation of application No. 13/004,844 …
24, 2014, now Pat. No. 9,086,024, which is a continuation of application No. 13/004,844 …
Adaptive torque mitigation by micro-hybrid system
M Nagashima, MR Pirjaberi, LJ Serrano… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A variety of methods and arrangements for reducing noise, vibration and
harshness (NVH) in a skip fire engine control system are described. In one aspect, a firing …
harshness (NVH) in a skip fire engine control system are described. In one aspect, a firing …
Internal combustion engine control for improved fuel efficiency
AS Tripathi - US Patent 10,273,894, 2019 - Google Patents
Jun. 3, 2015, now Pat. No. 9, 541, 050, which is a continuation of application No. 14/188,
479, filed on Feb. 24, 2014, now Pat. No. 9, 086, 024, which is a continuation of application …
479, filed on Feb. 24, 2014, now Pat. No. 9, 086, 024, which is a continuation of application …
Manifold pressure and air charge model
AJ Kotwicki - US Patent 9,945,313, 2018 - Google Patents
In one aspect, an engine controller for an engine including multiple working chambers is
described. The engine controller includes a mass air charge determining unit that estimates …
described. The engine controller includes a mass air charge determining unit that estimates …
Lean burn internal combustion engine exhaust gas temperature control
MA Younkins, SK Chen, MA Wilcutts - US Patent 10,494,971, 2019 - Google Patents
A variety of methods and arrangements for controlling the exhaust gas temperature of a lean
burn, skip fire controlled internal combustion engine are described. In one aspect, an engine …
burn, skip fire controlled internal combustion engine are described. In one aspect, an engine …
Internal combustion engine using variable valve lift and skip fire control
MA Shost, MA Younkins - US Patent 10,233,796, 2019 - Google Patents
An internal combustion engine capable of cylinder deacti vation or skip fire control in
combination with variable valve lift control. One bank of cylinders can be deactivated while …
combination with variable valve lift control. One bank of cylinders can be deactivated while …