Title:
ENGINE EXHAUST GAS RECIRCULATION SYSTEM AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/273567
Kind Code:
A1
Abstract:
Provided are an engine exhaust gas recirculation system and a control method. The circulation system comprises a discharge device (1), an engine oil heating device (2) and a recirculation device (3). The discharge device (1) comprises a plurality of cylinders (11). The engine oil heating device (2) comprises an engine oil heat exchanger (21) that is in communication with the discharge assembly (12) and heats engine oil with exhaust gas. The recirculation device (3) comprises a circulation assembly (31) and a power storage assembly (32), wherein the circulation assembly (31) comprises an EGR storage tank (311) and a plurality of intake pipelines (312); and the power storage assembly (32) comprises a power generation mechanism (321), a storage battery (322) and an EGR pump (323), the power generation mechanism (321) charging the storage battery (322) with exhaust gas energy, and the storage battery (322) and the power generation mechanism (321) being electrically connected to the EGR pump (323) to pressurize the exhaust gas in the EGR storage tank (311).
Inventors:
HAN LINGHAI (CN)
ZHANG YUFAN (CN)
WANG ZHANFENG (CN)
LI CHUNYU (CN)
MA HEYANG (CN)
HUANG PINGHUI (CN)
LI HUA (CN)
GONG YANFENG (CN)
ZHANG YUFAN (CN)
WANG ZHANFENG (CN)
LI CHUNYU (CN)
MA HEYANG (CN)
HUANG PINGHUI (CN)
LI HUA (CN)
GONG YANFENG (CN)
Application Number:
PCT/CN2022/089177
Publication Date:
January 05, 2023
Filing Date:
April 26, 2022
Export Citation:
Assignee:
CHINA FAW CO LTD (CN)
International Classes:
F02M26/14; F01M5/02; F01N5/02; F02G5/02; F02M26/22; F02M26/34; F02M26/37; H02J7/32; H02N11/00
Domestic Patent References:
| WO2007026432A1 | 2007-03-08 |
Foreign References:
| EP3141733A1 | 2017-03-15 | |||
| CN106812615A | 2017-06-09 | |||
| CN107401449A | 2017-11-28 | |||
| CN113279883A | 2021-08-20 | |||
| CN103460419A | 2013-12-18 | |||
| US20030233825A1 | 2003-12-25 | |||
| DE102018112292A1 | 2019-11-28 | |||
| JP2005188323A | 2005-07-14 | |||
| JPH03117665A | 1991-05-20 |
Attorney, Agent or Firm:
BEIJING YZH IP FIRM (CN)
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