Title:
過給システム
Document Type and Number:
Japanese Patent JP7070368
Kind Code:
B2
Abstract:
To restrain surging of a second supercharger from occurring in a single mode.SOLUTION: A supercharging system comprises: a first supercharger comprising a first compressor; a second supercharger comprising a second compressor; a switching unit 208 for switching a supercharging mode between a first supercharging mode in which the first supercharger supercharges an engine with air, and a second supercharging mode in which the first supercharger and the second supercharger supercharge the engine with air; an acquisition unit 202 for acquiring a parameter value related to a supercharging pressure of the second supercharger; an ABV provided in a path connecting an outflow port of the second compressor and an inflow port of the first compressor; and a valve control unit 204 for adjusting an opening degree of the ABV to a second opening degree larger than a first opening degree when the acquisition unit 202 acquires a second supercharging pressure larger than a first supercharging pressure in the first supercharging mode.SELECTED DRAWING: Figure 6
Inventors:
Yoshiaki Kamiya
Application Number:
JP2018219241A
Publication Date:
May 18, 2022
Filing Date:
November 22, 2018
Export Citation:
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
International Classes:
F02B39/16; F02B37/00; F02B37/007; F02B37/02; F02B39/14
Domestic Patent References:
| JP2010138775A | ||||
| JP2009185684A |
Attorney, Agent or Firm:
Fukami patent office