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US 2021/0087982 A1Published application
Multiple fuel tank purge system and method
OwnerClarence Greenlawinventor
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OwnerClarence Greenlawinventor
Estimating the term…
A multiple fuel tank purge system and method includes providing a pair of fuel tanks, including a main fuel tank for containing impure fuel and a separate, auxiliary fuel tank that contains commercial canned fuel. The engine runs on the impure fuel from the main fuel tank while the engine is in normal use, and then employs a shutdown cycle that switches to the commercial canned fuel from the auxiliary fuel tank for some pre-set time period. This arrangement allows the engine to be purged of the impure fuel (by burning the impure fuel during the shutdown cycle) and replaced by the commercial pre-mixed fuel before the engine is finally shut down. The system may further include a novel fuel cap with a fuel line, a tank within a tank fuel container, and/or an electronically actuated shutdown cycle mechanism.
A purge system for combustion engines, said purge system comprising:
(canceled)
The purge system for combustion engines set forth in claim 8, wherein said onboard computing device is further programmed to actuate said valve to receive said first fuel from said main fuel tank after said combustion engine has shut down.
A cap that is attachable to a disposable fuel container comprising:
A method for purging a combustion engine, said method comprising the steps of:
Dependencies are inferred from the claim text.