Engine control apparatus

Patent · Tue Jun 09 00:00:00 EDT 1987

OSTI ID:6326919

Akiyama, S; Ito, K; Hirabayashi, Y; Kinugawa, M; Omori, N

This patent describes an engine control apparatus, comprising: an intake condition measuring device for measuring a parameter representing an intake air flow condition and generating a measurement output signal (T); one-dimensional memory map means for storing specific intake condition data (t0) as a function of an engine speed N, each intake condition data representing a specific value of an intake condition of an engine; means for subtracting the specific intake condition data (t0) from the measurement output signal (T) to calculate an intake condition (t); two-dimensional map memory means for storing a predetermined correspondence between control data (G/N) and intake conditions (t) as a function of each preset engine speed.

• Assignee: Nippondenso Co., Ltd., Kariya
• Patent Number(s): US 4671242
• OSTI ID: 6326919
• Resource Relation: Patent File Date: Filed date 21 May 1985
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
ENGINES
COMPUTERIZED CONTROL SYSTEMS
FUEL INJECTION SYSTEMS
VEHICLES
AIR FLOW
COMPUTER CALCULATIONS
INTAKE STRUCTURES
MAPS
MEMORY DEVICES
ONE-DIMENSIONAL CALCULATIONS
READOUT SYSTEMS
SIGNALS
TWO-DIMENSIONAL CALCULATIONS
VELOCITY
CONTROL SYSTEMS
FLUID FLOW
FUEL SYSTEMS
GAS FLOW
MECHANICAL STRUCTURES
330603* - Vehicle Design Factors- Engine System