Fluent material handling – with receiver or receiver coacting mea – Combined
Reexamination Certificate
2002-03-28
2004-02-24
Douglas, Steven O. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Combined
C141S002000, C141S009000, C141S018000, C141S104000
Reexamination Certificate
active
06695019
ABSTRACT:
The present invention relates to a vending system for gases and a method for the distribution of gases using a vending system.
Vending systems for gases in gas bottles are known from the prior art. Such systems are described, for example, in DE 1 965 2147 and similar. They involve the use of filling stations at which empty gas bottles can be refilled or exchanged for filled gas bottles.
The known vending systems of this kind are specialised arrangements associated with high costs and are designed for the sole purpose of selling gas in bottles. They include not only complex mechanical and safety-sensitive gas devices such as pipes, tanks and electrical valves but also a control for the actual vending process, which is wired to the other components. A reading device for cash or credit cards may also be provided as well as a mechanism for cash payments.
The object of the present invention is therefore to improve the benefit to the customers without significantly increasing the cost of the overall installation.
This object is resolved by the provision of a vending system for gases in accordance with independent claim 1 and the method for the sale of gases in accordance with independent claim 14. Further advantageous embodiments, aspects and details of the present invention may be deduced from the dependent claims, the description and the attached drawing.
In addition to the sale of gas bottles, the principle underlying the invention consists in the provision of devices by which gas tanks in vehicles may be refilled. The technical integration and combination of these two functionalities enables the creation of a considerably more attractive vending point, whose production costs are not significantly higher than those of a vending system purely for gas bottles due to the parallel utilization of components.
In consequence, the invention is directed to a vending system for gases with
a filling station for filling gas bottles with at least one gas,
at least one gas supply line connected to the filling station and control means for controlling gas distribution,
which is characterised in that a filling device is further provided for the filling of gas tanks in vehicles, and which is also connected to the at least one gas supply line, and which is likewise controlled by the control means.
The filling station used in accordance with the invention may be any filling station for gas bottles known from the prior art. In particular, it may be a simple filling station for bottles brought by customers, but may also be a filling station in combination with a return system, in which for example the customer may choose (or the vending system decides on the basis of predetermined criteria), whether an empty bottle is to be refilled or a new, filled gas bottle is to be issued from a reservoir.
The filling device for gas tanks in vehicles provided according to the invention shares the use of as many as possible of the components provided for the filling station. In particular these two components share the gas supply line, or lines if more than one and possibly different gases are to be sold, as well as the means for controlling the dispensing of the gases.
Various options for implementing the gas supply are available. Accordingly, for example, the gas supply may be a gas tank that is connected to the filling station, or a gas pipe which connects the vending system to a main gas provider.
The filling device may preferably be furnished with:
a flow control unit connected to the gas supply and the control means, a supply connected to the flow control unit, and a filler pipe connected to the supply, which pipe is adapted to fit an inlet valve on the gas tank of a vehicle; the vehicle gas tanks in question may be the fuel tank for the vehicle engine, but equally the heating tanks, for example in the case of caravans.
The filler pipe should be a system that is commonly available and can be connected to the gas tanks by the customer, for example a manually operated bayonet system.
The supply line may be a hose suitable for transporting gas. It may also be a solid pipe supply line, provided it is capable of being moved so that a connection can be made with the gas tank of the vehicle to be filled. Combination supply lines consisting of a section of pipe and a section of hose, are also intended for inclusion in this arrangement.
The flow control unit regulates the inflow of the gas from the gas supply into the tank of the vehicle to be filled. It comprises a controllable valve, which can be operated by the control means on the vending system, as well as other elements as required such as a flow rate meter and a pressure sensor.
The control means may comprise a microcontroller that is connected to the main part of the vending installation by sensors and actuators. Operation may be effected via an operating device, with which the customer may make various selections, such as filling bottles or vehicle tanks.
As has been indicated in the foregoing, in addition to a mere filling station, the vending system may comprise additional elements for handling bottles. Thus, it may also be equipped with a reservoir for gas bottles, from which the gas bottles may be withdrawn under access control, and/or to which the gas bottles may be returned, preferably under access control.
This bottle reservoir can have different functions for handling gas bottles. For example, prefilled bottles may be made available, for example in exchange for empty bottles returned by the customer, it may accept and provide temporary storage for the empty bottles, and it may, for example, remove defective bottles from circulation and store those also.
At least one sensor is preferably provided for controlled access to the reservoir and/or to the filling station, which sensor cooperates with a bottle identification means on the bottle, for example a chip, a transponder, or with a bar or color code on the bottle and/or an image recognition device is provided. This allows handling of the gas bottles to be improved, since it enables a simple typing of the bottles and thereby also a more precise response to customers' wishes. In this way it is possible to avoid filling bottles that are either the wrong size or type, or receiving or filling bottles from another gas distribution organisation.
Preferably, the filling station is located outside the reservoir. This improves access and represents a security measure.
The reservoir may be configured to accommodate at least one method of disposing gas bottles for transport and provided with means for removing gas bottles from and/or returning them to the disposal means.
Preferably, the disposal means consists of pallets, magazines, containers or container-like devices.
In the reservoir, a reception system may be provided having a plurality of reception stations, each for one gas bottle, wherein each reception station may be moved to an issue and/or a return station for a gas bottle.
The invention may be further characterised in that the control means may or does control at least one issue and one return station.
Preferably, means are provided for automatic filling of the bottles in order to reduce effort of operation and to prevent operating errors during filling.
The invention is further directed to a method for selling gases with a vending system with a filling station for gases, and with a filling apparatus for filling the gas tanks of vehicles, including the following steps:
determine whether a customer wants to buy gas in bottles or gas for a tank;
if the customer wants to buy gas for a vehicle tank:
fill the vehicle tank up to a technical limit or up to a predetermined amount;
if the customer wants to buy gas in gas bottles:
issue a filled gas bottle.
Everything that has been stated with reference to the device according to the invention also applies in the same sense to the method according to the invention, so that the device is implied in all points though only the method is expressly described.
The customer's wishes are determined for example by analysis of inputs, which the customer can mak
Douglas Steven O.
Kriegsman & Kriegsman
LandOfFree
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