Title:
EVAPORATIVE EMISSIONS CONTROL SYSTEM AND METHOD FOR ISOLATING FUEL TANK FROM A PURGE CANISTER
Document Type and Number:
WIPO Patent Application WO/2019/086147
Kind Code:
A3
Abstract:
A method for operating an evaporative emissions control system for use with a fuel tank that stores and delivers fuel to an internal combustion engine is provided. A vent shut-off assembly is provided that selectively opens and closes at least one valve to provide overpressure and vacuum relief for the fuel tank. The vent shut-off assembly selectively vents to a purge canister. The at least one valve is closed whereby vapor is precluded from passing from the fuel tank to the purge canister. A purge event is performed wherein dedicated fresh air is drawn into the purge canister and delivered from the purge canister to the engine.
Inventors:
SMITH JEFFREY B (US)
MILLS VAUGHN K (US)
PIFER DANIEL (US)
NAHAR NIKHIL (US)
AMBROSE STEVEN (US)
FRANKLIN MAX (US)
MILLS VAUGHN K (US)
PIFER DANIEL (US)
NAHAR NIKHIL (US)
AMBROSE STEVEN (US)
FRANKLIN MAX (US)
Application Number:
PCT/EP2018/025276
Publication Date:
July 11, 2019
Filing Date:
November 04, 2018
Export Citation:
Assignee:
EATON INTELLIGENT POWER LTD (IE)
International Classes:
B60K15/035; B60K15/03; F02D41/00; F02M25/08
Domestic Patent References:
| WO2016049320A1 | 2016-03-31 | |||
| WO2016168258A1 | 2016-10-20 |
Foreign References:
| US20170292476A1 | 2017-10-12 | |||
| US20170030302A1 | 2017-02-02 | |||
| US20050279406A1 | 2005-12-22 |
Attorney, Agent or Firm:
SACH, Greg Robert (DE)
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