Torque down control apparatus for an engine

Details Torque down control apparatus for an engine Torque down control apparatus for an engine

1997-09-29

1999-03-23

Solis, Erick R.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by fuel cutoff

123481, 123198F, 180197, 701 86, B60K 2816

Patent

active

058846034

ABSTRACT:
In a V type engine comprising a catalyst in each of banks, when a fuel cut requirement on the basis of a traction control is generated, cylinders in which the fuel is cut are controlled to be switched between right and left banks. For example, when a requirement for a fuel cut with respect to two cylinders, at first, after the fuel cut of two cylinders are performed in the right bank for a predetermined time, the fuel cut of two cylinder are performed in the left bank for a predetermined time and this operation is repeated during a continuing time of the fuel cut. Accordingly, a thermal damage due to the fuel cut can be prevented from concentrating only to one catalyst.

REFERENCES:
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patent: 5463551 (1995-10-01), Milunas
patent: 5473544 (1995-12-01), Yamashita
patent: 5559703 (1996-09-01), Iwata et al.
patent: 5630480 (1997-05-01), Nishikata

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