JP2004193059A5

JP2004193059A5 -

Info

Publication number: JP2004193059A5
Application number: JP2002362411A
Authority: JP
Filing date: 2002-12-13
Publication date: 2005-10-06

Claims

A cylinder in which a first chamber for storing fuel waste liquid and a second chamber for storing new fuel are divided, first and second pistons disposed in each chamber, and inserted into the cylinder And a piston rod that operates to move each piston in the same direction,
The first chamber and the second chamber are separated by a partition wall that defines the movement limit of the first piston, and communicate with each other through a rod opening provided in a central portion thereof.
A suction port is opened in the peripheral wall of the first chamber facing the stroke start end side of the piston rod;
A delivery port is opened in the peripheral wall of the second chamber facing the stroke end side of the piston rod, and an air vent is opened in the peripheral wall of the second chamber facing the vicinity of the partition wall, respectively.
By moving the piston rod from the stroke start end side toward the stroke end side, the first piston and the second piston are individually moved in the order of description, and the suction port enters the first chamber. A fuel exchanging apparatus characterized in that the fuel waste liquid is sucked and collected, and the new fuel accommodated in the second chamber can be subsequently sent into the fuel tank through the delivery port.

Near the operation end of the piston rod, an operation ring for operating the first piston is provided.
2. The fuel changer according to claim 1, wherein a rod hole that allows the operation ring to pass through is formed in the first piston in a penetrating shape only when the first piston is received by a partition wall.

An operation ring is provided at the operation end of the piston rod to move the first piston.
A rod hole that allows relative movement of the piston rod is passed through the second piston,
2. The fuel changer according to claim 1, wherein the operating ring is separated from the first piston and the second piston can be moved together only when the first piston is received by the partition wall.

An injection needle-like nozzle for sending and guiding new fuel is mounted at the delivery port,
A waste liquid passage for sucking fuel waste liquid is provided inside the nozzle, and the suction port and the waste liquid passage communicate with each other through a communication path.
The fuel changer according to claim 1 or 2, wherein an outer surface of the nozzle is covered with a rubber cap attached to the cylinder.

A suction passage is connected to the suction port, and a supply passage is connected to the delivery port,
4. The fuel changer according to claim 1, wherein the fuel tank and the cylinder communicate with each other via the suction passage and the supply passage.

A first cylinder for storing fuel waste liquid, a second cylinder for storing new fuel, a piston rod for moving and operating a first piston provided in the first cylinder, and a second cylinder disposed in the second cylinder. With a piston,
A suction port and a delivery port are respectively opened on the peripheral wall of the first chamber facing the stroke start end side of the piston rod, and an air communication port is opened on the peripheral wall of the first chamber facing the stroke end side. ,
An inlet and a delivery port are opened in the peripheral wall of the second cylinder facing the stroke start end and stroke end of the second piston,
The delivery port of the first cylinder and the inlet of the second cylinder communicate with each other via a communication path and a check valve that allows only a flow toward the second cylinder;
A check valve and a suction passage are connected to the suction port to prevent the backflow of fuel waste liquid toward the fuel tank,
By operating the piston rod to move from the stroke start side toward the stroke end side, the fuel waste liquid can be sucked and collected in the first cylinder,
By moving the piston rod from the stroke end side toward the stroke start end side, the fuel waste liquid in the first cylinder is transferred into the second cylinder, and the second piston is moved by the supply pressure of the fuel waste liquid. A fuel changer, wherein the new fuel accommodated in the second cylinder can be sent out into the fuel tank T through the delivery port by moving.

A waste liquid bag communicating with the inlet is accommodated in the second cylinder, and the fuel waste liquid fed from the first cylinder to the second cylinder through the communication path is filled in the waste liquid bag. And
The fuel changer according to claim 6, wherein the new fuel in the second cylinder can be sent to the fuel tank by the expansion operation of the waste liquid bag.

A fuel exchange device that can be attached to and detached from a fuel cell and can perform fuel exchange of the fuel cell,
A fuel exchanging apparatus capable of sucking and collecting a fuel waste liquid from the fuel tank of the fuel cell and subsequently sending a prefilled new fuel into the fuel tank.

The fuel changer according to claim 8, wherein a first chamber for storing the fuel waste liquid and a second chamber for storing the new fuel are provided separately.

The fuel changer according to claim 8 or 9, wherein suction of the fuel waste liquid and delivery of the new fuel can be performed at the same location.

The fuel according to claim 8, 9 or 10, further comprising a waste liquid bag inside, filling the waste liquid bag into the waste liquid bag, and sending the new fuel to the fuel tank using an expansion operation of the waste liquid bag. Exchange equipment.