FI65490C - DISTRIBUTIONSMAETARE FOER FLYTANDE BRAENSLE - Google Patents

Description

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Patents and registries ..............

^. (44) Date of publication of the notice. -

Patent · och registentyreiaen 'ΑμΜηκ uttagd och mUkrut · * pubiictrad 31.01. 8U

(32) (33) (31) Pyydtttjr ttuoiktu »—Begird priorltvt (71) J K Pajarinen & Co, Veneentekijäntie 9, 00210 Helsinki 21,

Suomi-Finland (FI) (72) Mikko Blomström, Helsinki, Matti Metsänen, Vantaa, Finland-Finland (FI) (7 * 0 Leitzinger Oy (5 * 0 Fuel distribution meter - Distributionsmätare för flytande bränsle% The fuel distribution meters in use are almost exclusively Equipped with mechanical counters with a separate zero-blade deck, which require an impulse device for the self-service system, which also acts as a price calculation information unit. The large and heavy mechanical calculator is difficult to remove for maintenance, as well as can be attached and the dispenser is inoperable during maintenance.

To overcome these drawbacks, it has already been proposed to replace the mechanical calculator with an electronic calculator with a digital, electronic display device. This is easily feasible in the case of dispensers for non-combustible liquids such as milk (cf. DE-A-2 056 854), but instead for dispensers for fuel dispensers, there are problems with compliance with fire safety regulations. So far, efforts have been made to solve these problems by enclosing the electronic meter of the dispensing meter and the digital display device in a specially designed, gas-tight housing.

The object of the invention is to provide a fuel distribution meter in which safety regulations are met without special constructions and expensive enclosures.

According to the invention, this object is achieved in that the upper part of the meter body is divided by a horizontal spacer into two housing parts, the upper housing part of which is provided with ventilation openings, a box-like housing comprising an electronic counter and a digital display device is mounted on the spacer. Once adequate space has been provided in the space separated by the spacer, there is no need to resort to a gas-tight housing for the electrical components, which considerably reduces the cost of the device.

The failure rate of the electronic calculator is very low and the box-like housing containing the electronic calculator forms an easily replaceable unit, which makes the maintenance of the device very easy and flexible. A resetting motor for the mechanical counter device is not required, in addition to which one and the same impulse transmitter can be used to provide counting pulses for both the electronic counter device and the self-service system and price calculation.

In the following, the invention will be described in more detail with reference to the accompanying drawing, which shows a perspective view of a fuel distribution meter according to the invention.

The upper part 1 of the body housing of the dispensing meter is divided by a spacer 2 into two housing parts. A box-like housing 4 is mounted on the upper housing part 3 on top of the spacer plate 2, which contains an electronic calculator device known per se and a digital electronic display device. The upper housing part 3 is arranged to be ventilated by providing it with suitable ventilation openings.

At the bottom of the housing there is a flowing fuel volume measuring device which uses a pulse transmitter 5 arranged to give counting pulses to the electronic counter device 3 65490 contained in the housing 4 and, if necessary, also to the self-service system and price calculation.

Spacer 2 has two essential functions. Firstly, it allows the compact computing electronics unit 4 to be placed at a suitable height so that the display point is at the same point as the mechanical calculators. Secondly, the function of the spacer 2 is to form a space isolated from the lower part of the body-housing, which can be arranged to be well ventilated. Ventilation openings are not shown in the drawing, but can be made at any point in the walls of the upper housing part 3, but preferably in such a way that a cover with downwardly directed edges is placed on top of the dispensers, inside the edges of which the inlet openings remain. In this case, splash water will not enter the housing 3.