Invention Grant
- Patent Title: Evaporative emissions control canister purge system
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Application No.: US15485953Application Date: 2017-04-12
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Publication No.: US10309347B2Publication Date: 2019-06-04
- Inventor: William L. Villaire , Manoj R. Chaudhari , Edward J. Strzelecki , Philip A. Yaccarino
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee Address: US MI Detroit
- Agency: Cantor Colburn LLP
- Main IPC: F02M25/08
- IPC: F02M25/08

Abstract:
An evaporative emissions control system includes an evaporative emissions control canister, a first fuel vapor return conduit including a first end fluidically connected the evaporative emissions control canister and a second end connectable to an internal combustion (IC) engine. A first valve is fluidically connected to the first fuel vapor return conduit. A second fuel vapor return conduit includes a first end portion fluidically connected to the first fuel vapor return conduit and a second end portion configured to be arranged in a vehicle fuel tank. A second valve is fluidically connected to the second fuel vapor return conduit at the second end portion in the vehicle fuel tank. A vapor return system includes a pump fluidically connected to the second valve in the vehicle fuel tank.
Public/Granted literature
- US20180298850A1 EVAPORATIVE EMISSIONS CONTROL CANISTER PURGE SYSTEM Public/Granted day:2018-10-18
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