Provided is a roll over fuel-vapor valve is provided including a housing defining a valve having a valve inlet port extending through a wall of the housing and a valve outlet port and a float member disposed between the inlet port and the outlet port and being displaceable between an open position and a closed position the hosing further comprising a fluid flow channel extending along a top portion thereof and having a first end and a second end, wherein the outlet port extending into the channel such that in the open position fluid flow is facilitated between the valve inlet port and the channel.

In a method for operating a tank device of a motor vehicle, with the tank device having a tank and a tank ventilation device with at least one switching valve, an excitation current can be applied to the switching valve, and the switching valve opens only when the excitation current exceeds an excitation current threshold over a certain period of time. Provision is hereby made to apply an excitation current which is greater than the excitation current threshold, at least temporarily, in a first mode of operation to the switching valve for heating purposes, also when ventilation of the tank is not governed by a control unit of the tank device.

A saddle-riding type vehicle includes a seat, a fuel tank including a vent and disposed below the seat, a canister connected to the vent, and an overflow prevention valve provided in a fuel vapor passage connecting the vent and the canister. The overflow prevention valve is positioned higher than the vent.

A structurally integrated fuel tank and method of assembling is disclosed. The fuel tank may comprise a body and a neck disposed on the body. The neck may be configured to be coupled to an arm of a front frame of a machine. The body may comprise a cover, an endwall and a base. The cover includes a cover hitch that defines an upper pivot bore centered about a pivot axis. The upper pivot bore is configured to receive a pivot fastener about which the fuel tank is pivotable. The endwall may be disposed below and coupled to the cover. The base may be coupled to the endwall, and may include a lower hitch that extends outward and away from the endwall. The neck and the body together define a chamber configured to store fuel. The cover is a top of such chamber.

A vent apparatus is described for providing filtered air intake and rollover protection for a fuel tank. The apparatus may include a housing configured to be coupled with the fuel tank, the housing including at least one air intake port and at least one air exhaust port. The apparatus may include an air intake filter disposed within the housing and configured to receive and filter air from the at least one air intake port. The apparatus may include a rollover protection valve disposed adjacent to the housing and configured to be located inside the fuel tank when the housing is coupled with the fuel tank, the rollover protection valve coupled with the at least one air exhaust port. The rollover protection valve may include a chamber and a plug configured to impede the flow of fuel from the fuel tank into the at least one air exhaust port.

A valve assembly for use with a container such as a fuel tank. Embodiments of the assembly include an inlet and outlet provided on separate sides of the central axis of a housing, the housing being connected to a central conduit located in a container. The valve assembly includes inlet and outlet valves which allow the venting of air during filling and the intake of air as fuel is consumed. The valve assembly is arranged so that air flows through a less torturous path compared to known prior art, enabling a high rate of filling to be achieved.

It is disclosed a FLVV including: an upper cover provided in the fuel tank, and having an outlet duct; a casing coupled to the upper cover; the float, which is elastically provided inside the casing so as to be movable upward and downward, has a first valve seat provided on the upper surface of one side thereof so as to open and close a first outlet port by principle of a lever, and has a recessed surface formed at one side of the upper surface thereof; the plate elastically provided by a second spring at the recessed surface formed at the float, so as to open and close a second outlet port while moving upward and downward; and a lower cover closing the lower part of the casing and having the float elastically provided by a first spring.

A structurally integrated fuel tank and method of assembling is disclosed. The fuel tank may comprise a body and a neck disposed on the body. The neck may be configured to be coupled to an arm of a front frame of a machine. The body may comprise a cover, an endwall and a base. The cover includes a cover hitch that defines an upper pivot bore centered about a pivot axis. The upper pivot bore is configured to receive a pivot fastener about which the fuel tank is pivotable. The endwall may be disposed below and coupled to the cover. The base may be coupled to the endwall, and may include a lower hitch that extends outward and away from the endwall. The neck and the body together define a chamber configured to store fuel. The cover is a top of such chamber.

Provided is a roll over fuel-vapor valve is provided including a housing defining a valve having a valve inlet port extending through a wall of the housing and a valve outlet port and a float member disposed between the inlet port and the outlet port and being displaceable between an open position and a closed position the hosing further comprising a fluid flow channel extending along a top portion thereof and having a first end and a second end, wherein the outlet port extending into the channel such that in the open position fluid flow is facilitated between the valve inlet port and the channel.

It is disclosed a FLVV including: an upper cover provided in the fuel tank, and having an outlet duct; a casing coupled to the upper cover; the float, which is elastically provided inside the casing so as to be movable upward and downward, has a first valve seat provided on the upper surface of one side thereof so as to open and close a first outlet port by principle of a lever, and has a recessed surface formed at one side of the upper surface thereof; the plate elastically provided by a second spring at the recessed surface formed at the float, so as to open and close a second outlet port while moving upward and downward; and a lower cover closing the lower part of the casing and having the float elastically provided by a first spring.