Pressurized portable marine fuel tanks mark riechers
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Pressurized Portable Marine Fuel Tanks Mark Riechers. EPA Regulation § (1060.105 (c)). effective 01 Jan 2010. (c) Portable marine fuel tanks and associated fuel-system components must meet the following requirements:

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Pressurized Portable Marine Fuel Tanks Mark Riechers

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Pressurized portable marine fuel tanks mark riechers

Pressurized Portable Marine Fuel Tanks

Mark Riechers


Epa regulation 1060 105 c

EPA Regulation §(1060.105 (c))

effective 01 Jan 2010

(c) Portable marine fuel tanks and associated fuel-system components must meet the following requirements:

(1) They must be self-sealing (without any manual vents) when not attached to the engines. The tanks may not vent to the atmosphere when attached to an engine.

(2) They must remain sealed up to a positive pressure of34.5 kPa (5.0 psig); however, they may contain air inlets that open when there is a vacuum pressure inside the tank.


Pressurized portable marine fuel tanks mark riechers

Portable Tank Design Changes

Current Design

EPA Regulation §(1060.105 (c))

-2kPa

35kPa


Pressurized portable marine fuel tanks mark riechers

Diurnal Pump Intake

Cool air

FR

FR

FR

Wall of tank provides reactionary force to draw volume into the tank.(Tank wall is functioning as a pump diaphragm/spring)


Pressurized portable marine fuel tanks mark riechers

Diurnal Pump Exhaust

If hose or engine leak… Pumping Cycle Continues until tank is empty

FR

FR

FR

Wall of tank provides reactionary force to expel liquid from tank.(Tank wall is functioning as a pump diaphragm/spring)


Pressurized portable marine fuel tanks mark riechers

Tilted Engine Applications


Pressurized portable marine fuel tanks mark riechers

Ref. Vapor Separator (Optimax)

Dynamic “Trailering” Overflow Test

Determine Maximum Dynamic Inlet Pressure

  • Position test unit at 70° tilt and 30° turn.

  • Route clear vent hose to container for overflow capture

  • Fill float bowl completely full (overflow into vent hose)

  • Accelerate assembly per respective value above

  • Apply pressure, monitor overflow for “pop-off” value

CombinedTilt and Turn

Worst-Case Turn


Pressurized portable marine fuel tanks mark riechers

Rough Road Testing


Pressurized portable marine fuel tanks mark riechers

Rough Road Results

Transom Vertical Motion Time History, 25 MPH, RR XING


Pressurized portable marine fuel tanks mark riechers

Rough Road Conclusions

100 mm of transom displacement

Visible Leakage from Carburetor at 7kPa (1psi)

Portable Fuel Tank


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