Method and system for determining cylinder air charge for variab

Measuring and testing – Simulating operating condition – Marine

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

123481, 123198F, G01M 1900

Patent

active

053985443

ABSTRACT:
A system for predicting cylinder air charge for a variable displacement internal combustion engine operating in a transition from a first number of activated cylinders to a second number of activated cylinders includes a throttle sensing system for determining the effective flow area of the air intake passage of the engine and for generating a signal corresponding to the area, an engine speed sensor for determining the speed of the engine and for generating a signal corresponding to the speed, an airflow sensor for determining the instantaneous mass airflow into the engine and for generating a signal corresponding to the airflow, and a controller for receiving the speed, flow area, and mass airflow signals and for calculating the mass of air admitted to each engine cylinder during its intake stroke, based upon the values of the signals.

REFERENCES:
patent: 4040395 (1977-08-01), Demetrescu
patent: 4144864 (1979-03-01), Kato et al.
patent: 4188933 (1980-02-01), Iizuka
patent: 4224920 (1980-09-01), Sugasawa et al.
patent: 4354471 (1982-10-01), Sugasawa et al.
patent: 4463601 (1984-08-01), Rask
patent: 4484551 (1984-11-01), Choma et al.
patent: 4494502 (1985-01-01), Endo et al.
patent: 4509488 (1985-04-01), Forster et al.
patent: 4541387 (1985-09-01), Morikawa
patent: 4550704 (1985-11-01), Barho et al.
patent: 4552114 (1985-11-01), Sano et al.
patent: 4556026 (1985-12-01), Masuda et al.
patent: 4655187 (1987-04-01), Gravestock
patent: 4708108 (1987-11-01), Sakamoto et al.
patent: 4722411 (1988-02-01), Ohashi et al.
patent: 4761994 (1988-08-01), Sogawa
patent: 4870934 (1989-10-01), Vanetta et al.
patent: 4951209 (1990-08-01), Nagaishi et al.
patent: 4962740 (1990-10-01), Fujimoto et al.
patent: 4976228 (1990-12-01), Kawamura
patent: 4984456 (1991-01-01), Takahashi
patent: 5003950 (1991-02-01), Kato et al.
patent: 5008824 (1991-04-01), Clark et al.
patent: 5029569 (1991-07-01), Cullen et al.
patent: 5035220 (1991-07-01), Uchinami et al.
patent: 5042444 (1991-08-01), Hayes et al.
patent: 5099816 (1992-04-01), Ohga
patent: 5113823 (1992-05-01), Iriyama
patent: 5119781 (1992-06-01), Trombley et al.
patent: 5124922 (1992-06-01), Akiyama
patent: 5190013 (1993-03-01), Dozier
patent: 5213081 (1993-05-01), Fujimoto
patent: 5228336 (1993-07-01), Nagaishi
patent: 5270935 (1993-12-01), Dudek et al.
"4,6,8 . . . Which Cylinder Shall We Operate?", Motor, Jun. 25, 1983, pp. 52-53.
D. Stojek and D. Bottomley, "The Ford 3.times.6 Engine", Proceedings IMech vol. 198D, No. 15, 1984.
G. Berta, M. Troilo, "Cylinder Shut-off and Pressure Charging for Lower Fuel Consumption", SAE 82072.
K. Schellman and W. Schmid, "Possibilities by Saving Fuel by Switching Off Cylinders", Fuel Economy Research Conference, Unknown data & location.
T. Fukui, T. Nakagami, H. Endo, T. Katsumoto and Y. Danno, "Mitsubishi Orion-MD, A New Variable Displacement Engine," SAE 831007.
B. Bates, J. Dosdall and D. Smith, "Variable Displacement by Engine Valve Control", SAE Paper 780145, 1978.
"Mitsubishi has variable 2 or 4-cyclinder engine", Wards Engine and Vehicle Technology Update, Sep. 1, 1992.
"Mitsubishi unveils new fuel savings engine", recent article in Automotive News, Aug.-Sep. 1992.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and system for determining cylinder air charge for variab does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and system for determining cylinder air charge for variab, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for determining cylinder air charge for variab will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1142003

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.