Title:
【発明の名称】熱排気ガス流における空気率の制御とそのための酸素プローブ
Document Type and Number:
Japanese Patent JPH04506869
Kind Code:
A
Abstract:
PCT No. PCT/CH91/00092 Sec. 371 Date Dec. 20, 1991 Sec. 102(e) Date Dec. 20, 1991 PCT Filed Apr. 22, 1991 PCT Pub. No. WO91/17434 PCT Pub. Date Nov. 14, 1991.A method for controlling the fuel-air mixture in an Otto engine having at least one cylinder, especially in an automobile engine, for the optimum use of a catalyser (18) with a probe in the hot exhaust gas stream (20) containing carbon monoxide, nitrogen oxides and hydrocarbons. The measuring signals of the probe are converted through electronic means into control signals for the mixture preparation and ignition. The oxygen content of the exhaust gas stream gas stream (20) is measured in the combustion chamber of the cylinders, beyond the outlet valve in the cylinder heads or in the single pipes (12), in the protective region of a smooth, aerodynamic deflection device (40) without a reference atmosphere with a resistive ceramic oxygen probe (24) having a heat resistance up to approximately 1300 DEG C. and an adjustment time within the millisecond range.
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Inventors:
Laustritz, claus
Application Number:
JP50671791A
Publication Date:
November 26, 1992
Filing Date:
April 22, 1991
Export Citation:
Assignee:
Klaus Leistritz Engineering Actien Gezershaft
International Classes:
B01D53/94; G01N27/04; F02D41/02; F02D41/14; F02M7/00; G01N27/12; G01N27/407; G01N27/416; F02B1/04; F02B75/02; (IPC1-7): G01N27/04; G01N27/12
Attorney, Agent or Firm:
Maruoka Masahiko