DE1070805B - - Google Patents

Description

GERMAN

The invention relates to a safety device on external wall space heaters for operation with gaseous or liquefied gaseous fuel, e.g. B. propane, which is airtight against the installation room are completed, in which also the exhaust duct for the combustion gases and the intake duct for combustion air are led close to each other through the room wall into the open air and which with are equipped with a shut-off device for fuel access to the burner. With such exterior wall space heaters, which are used for buildings, weekend houses, motor boats, caravans, etc., results in particular for the two last application areas mentioned, the necessity to use the outside air side when the device is not in operation To seal the mouth openings of the two channels airtight to prevent wind penetration atmospheric precipitation, splash water, dust or the like. To prevent.

When outside wall space heaters are put out of operation in this way, there is a risk of vibrations or other influences the shut-off device for the fuel access to the burner accidentally opened, which could result in loss of fuel, poisoning, or explosion.

The invention is based on the object of eliminating this deficiency. She achieves this at with a Closure plate for the airtight closure of the mouth openings on the outside air side of the two channels equipped outer wall space heaters of the type mentioned in that a with the shut-off device cooperating switching element is provided which is arranged and designed in such a way that that the shut-off device when the closure plate is placed in the closed position when the closure plate is removed reaches the open position due to a restoring force.

An embodiment of the subject matter of the invention is that when using a tap The switching element is designed as a shut-off device as a pin penetrating one of the channels in the longitudinal direction, which protrudes with its end on the outside air into the area of the closure plate and with its device-side end is hinged to the tap toggle.

The invention is explained in an exemplary embodiment with reference to the drawing; in this shows

1 shows the device with the closure plate removed, partly in view, partly in section,

Fig. 2 the same device, but with the closure plate attached, partly in view, partly in section,

Fig. 3 shows the closure plate for itself.

1 is the body of an exterior wall space heater and 13 is one with the device body over two Canals connected lock chamber designated,

Safety equipment
on exterior wall space heaters

Applicant:
Martin Windel,
Berlin-Wilmersdorf, Fehrbelliner Platz 3

Martin Windel, Berlin-Wilmersdorf,
has been named as the inventor

through which on the one hand the combustion air enters the burner chamber 1, where they are not illustrated Burner is supplied, on the other hand, the combustion gases escape into the open.

The fuel passes through the feed line 8 to the burner, not shown.

»5 The heater is on the room side by means of a retaining plate 7 on the outer wall 16 of the room to be heated attached, while on the outside air side connected to the outer wall 16 by screwing Protective grille 17 is provided, which protects the interior of the heater against accidental intrusion or protects against malicious introduction of coarser foreign bodies. The mesh size 23 of the protective grille is like this chosen so that the access of the combustion air and the extraction of the combustion gases is guaranteed.

To secure the device against the ingress of moisture in the form of spray or rain water or from dust, the closure plate 18 is provided when the device is not in operation, which by Screw connection 22 mounted over the protective grille 17 after the device has been put out of operation and the lock chamber 13 seals. A risk to the user from unintentional start-up of the device closed in this way by opening the supply of fuel is through the Arrangement of the pin-shaped switching element 21 prevents that protrudes through the protective grille and at Attaching the closure plate 18 the lever or toggle 20 of the particular designed as a fuel tap Shut-off device 19 automatically locks and locks, whereby the supply of fuel in the fuel line 8 is prevented. When removing the closure plate 18, the fuel supply is by means of of the cock toggle or lever 20 and the shut-off device 19 automatically opened by a compression spring

909 688/29

Claims (2)

the cock toggle 20 or the like automatically returns to the open position. "* PATENTANSIMIOCHE: 1. Safety device on external wall space heaters for operation with gaseous or liquefied gaseous fuel, which is hermetically sealed from the installation room are, in which the exhaust duct for the combustion gases and the intake duct for the combustion air is led close to each other through the wall of the room and which are equipped with a shut-off device for the fuel access to the burner, characterized in that that when using a closure plate (18) for the airtight closure of the outside air side Mouth openings of the two channels together with the shut-off element (19) acting switching element (21) is provided, which is arranged and designed so that the shut-off element when placing the locking plate in the closed position, when removing the locking plate reaches the open position due to a restoring force. 2. Safety device according to claim 1, characterized in that when using one Hahnes as a shut-off element (19) penetrating the switching element (21) as one of the channels in the longitudinal direction Pin is formed, which with its end on the outside air side in the area of the closure plate (18) protrudes and articulated with its device-side end to the cock knob (20) is. Considered publications:
German Patent No. SOS 042;
French patent specification No. 1 007 597. 1 sheet of drawings © 909 688/29 12. 59