Locomotive fueling adapter
First Claim
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1. A fueling adapter configured to permit a fuel dispenser which terminates in a twist lock mating assembly to be used to supply fuel to a fuel tank which has a fuel receiver outfitted with a dry break connector connected thereto, said fueling adapter comprising:
- a dry break assembly rotatably connected to a twist lock assembly via a rotational connector;
said dry break assembly comprising a first passageway defined therethrough, said twist lock assembly defining a second passageway therethrough, said first passageway fluidly connected to the second passageway so as to define a fuel passageway through the fueling adapter;
said dry break assembly configured for connecting with said dry break connector, said dry break assembly comprising a tubular body portion comprising an inside surface, said inside surface comprising an annular inner race groove;
said twist lock assembly configured for connecting with said twist lock mating assembly, said twist lock assembly comprising a twist lock coupling and a plug portion, the plug portion further comprising an extension which extends away from a first end of said plug portion, the extension comprising an outer surface into which an annular outer race groove is defined, said plug portion configured for receiving said body portion thereon with said inner race groove aligned with said outer race groove; and
said rotational connector comprising said inner race groove and said outer race groove aligned to form a combined groove and a plurality of ball bearings received in said combined groove, said combined groove and ball bearings rotatably connecting the twist lock assembly to the dry break assembly.
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Accused Products
Abstract
A fueling adapter configured to permit a fuel dispenser which terminates in a twist lock mating assembly to be used to supply fuel to a fuel tank which has a fuel receiver outfitted with a dry break connector connected thereto, said fueling adapter comprising a dry break assembly rotatably connected to a twist lock assembly via a rotational connector.
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Citations
20 Claims
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1. A fueling adapter configured to permit a fuel dispenser which terminates in a twist lock mating assembly to be used to supply fuel to a fuel tank which has a fuel receiver outfitted with a dry break connector connected thereto, said fueling adapter comprising:
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a dry break assembly rotatably connected to a twist lock assembly via a rotational connector; said dry break assembly comprising a first passageway defined therethrough, said twist lock assembly defining a second passageway therethrough, said first passageway fluidly connected to the second passageway so as to define a fuel passageway through the fueling adapter; said dry break assembly configured for connecting with said dry break connector, said dry break assembly comprising a tubular body portion comprising an inside surface, said inside surface comprising an annular inner race groove; said twist lock assembly configured for connecting with said twist lock mating assembly, said twist lock assembly comprising a twist lock coupling and a plug portion, the plug portion further comprising an extension which extends away from a first end of said plug portion, the extension comprising an outer surface into which an annular outer race groove is defined, said plug portion configured for receiving said body portion thereon with said inner race groove aligned with said outer race groove; and said rotational connector comprising said inner race groove and said outer race groove aligned to form a combined groove and a plurality of ball bearings received in said combined groove, said combined groove and ball bearings rotatably connecting the twist lock assembly to the dry break assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A fueling adapter configured to permit a fuel dispenser which terminates in a twist lock mating assembly to be used to supply fuel to a fuel tank which has a fuel receiver outfitted with a dry break connector connected thereto, said fueling adapter comprising:
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a dry break assembly rotatably connected to a twist lock assembly via a rotational connector; said dry break assembly comprising a first passageway defined therethrough, said twist lock assembly defining a second passageway therethrough, said first passageway fluidly connected to the second passageway so as to define a fuel passageway through the fueling adapter; said dry break assembly comprising a tubular body portion, said tubular body portion further comprising first end, a second end, an outside surface, and an inside surface, said inside surface comprising an annular inner race groove; said twist lock assembly comprising a twist lock coupling and a plug portion, the plug portion comprising a first end which defines an outlet, and a second end which defines an inlet, the outlet and inlet define said second passageway therebetween, the plug portion further comprising an extension which extends away from said plug portion first end, the extension comprising an outer surface into which an annular outer race groove is defined, said plug portion configured for receiving said body portion thereon with said inner race groove aligned with said outer race groove; said rotational connector comprising said inner race groove and said outer race groove aligned to form a combined groove and a plurality of ball bearings received in said combined groove, said combined groove and ball bearings rotatably connecting the twist lock assembly to the dry break assembly; and a rotation limiter for limiting the rotation of the dry break assembly in relation to the twist lock assembly via said rotational connector, wherein the rotation limiter comprises a plurality of equiradially disposed limiter channels defined in an end face of the body portion second end, a plurality of equiradially disposed threaded passageways through an end plate in the second end of the plug portion, and a plurality of threaded limiter pins extending from said threaded passageways and into said limiter channels, said limiter pins are able to freely move along said limiter channels and are not attached to said body portion, wherein the limiter channels have a length defining the limits to the rotation of the dry break assembly in relation to the twist lock assembly via the rotational connector. - View Dependent Claims (17, 18, 19)
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20. A fueling adapter configured to permit a fuel dispenser which terminates in a twist lock mating assembly to be used to supply fuel to a fuel tank which has a fuel receiver outfitted with a dry break connector connected thereto, said fueling adapter comprising:
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a dry break assembly rotatably connected to a twist lock assembly via a rotational connector, said dry break assembly comprising a first passageway defined therethrough, said twist lock assembly defining a second passageway therethrough, said first passageway fluidly connected to the second passageway so as to define a fuel passageway through the fueling adapter; said dry break assembly further comprising a handle assembly connecting to said body portion, said handle assembly for allowing a user to twist the dry break assembly on and off said receiver, wherein the handle assembly defines a generally circular orifice therethrough which has an annular sidewall connected to a periphery thereof, wherein the sidewall defines three radially spaced slots therethrough, wherein said dry break assembly defines three radially spaced notches each having notch first end and a notch second end, said slots and notches configured for alignment to create grooves, and wherein said grooves are dimensioned and positioned to slidably receive therein three radially spaced tabs extending from said dry break connector, said dry break assembly further comprises a tubular body portion, said tubular body portion further comprising first end, a second end, an outside surface, and an inside surface, said inside surface comprising an annular inner race groove; said twist lock assembly comprising a twist lock coupling and a plug portion, the plug portion comprising a first end which defines an outlet, and a second end which defines an inlet, the outlet and inlet define said second passageway therebetween, the plug portion further comprising an extension which extends away from said plug portion first end, the extension comprising an outer surface into which an annular outer race groove is defined, said plug portion configured for receiving said body portion thereon with said inner race groove aligned with said outer race groove, wherein twist lock coupling comprises a barrel portion having an outer surface which comprises a pair of radially spaced tabs which project outwardly from or adjacent to the first end of the twist lock coupling, wherein the tabs are dimensioned and positioned to slidably lock onto flanges defined on the fuel dispenser, wherein slots are defined between the tabs, wherein tabs are generally wedge-shaped in side elevation and are configured for mating engagement with the flanges; and said rotational connector comprising said inner race groove and said outer race groove aligned to form a combined groove, a plurality of ball bearings received in said combined groove, and a rotation limiter, said combined groove and ball bearings rotatably connecting the twist lock assembly to the dry break assembly, said rotation limiter for limiting rotation of the dry break assembly in relation to the twist lock assembly via said rotational connector, wherein the rotation limiter comprises;
a plurality of equiradially disposed limiter channels defined in an end face of the body portion second end, a plurality of equiradially disposed threaded passageways through an end plate in the second end of the plug portion, and a plurality of threaded limiter pins extending from said threaded passageways and into said limiter channels, wherein the limiter pins are able to freely move along said limiter channels and are not attached to said body portion, wherein the limiter channels have an length which defines the limits to the rotation of the dry break assembly in relation to the twist lock assembly via the rotational connector.
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Specification