Multi-gas cooker, with a rotary valve provided with interchangeable regulating means

Inactive Publication Date: 2005-09-15
COPRECITEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008] The use of a single valve unit for regulating the flow of two different gas families is an advantage of the gas valve invention, when mounted on a cooking appliance. During the start-up of the cooking appliance the user only has to carry out a choice for a control knob from th

Problems solved by technology

This known solution has the disadvantage that for adjusting the Qmin for the rotation of the valve sleeve, it is necessary to use a screw

Method used

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  • Multi-gas cooker, with a rotary valve provided with interchangeable regulating means
  • Multi-gas cooker, with a rotary valve provided with interchangeable regulating means

Examples

Experimental program
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Effect test

Embodiment Construction

[0011] In reference to FIG. 1, an embodiment of a gas cooking appliance 1 such as a barbecue comprises a control panel 2 on which are mounted one or more rotary gas valves 3 of the type with a frustro-conical regulating plug 6. The cooking appliance 1 may be of two types in respect of the type of gas supplied, natural gas (NG) or liquefied gas (LPG) from the external source -GAS IN- through a valve inlet conduit 4 in the valve body 3a. Each one of the valves 3 mounted on the panel 2 is always of a single type, all with a same valve body 3a and regulating plug 6. The inlet flow “Q” is transmitted to an internal chamber 8 in regulating plug 6 in communication with an outlet conduit 5 in the valve body 3a. The regulating plug 6 rotates around a central axis 10 actuated by shaft 7 for the supply of the flow “Q”, which is directed towards a burner inlet duct 25 on the appliance, being the latter specifically adapted to either N gas or LP gas supplying.

[0012] The valve body 3a has an elo...

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Abstract

The cooking appliance (1) having a control panel (2) is equipped with one or more gas flow (Q) regulating valves, wherein the rotary regulating plug (6) is provided with various peripheral through holes (16-19). The control knob (9) being interchangeable for fitting to the actuating shaft (7), is chosen from the two units available, one and the other permitting different angular limit positions of the regulating plug (6) for the supply of a constant minimum gas flow Qmin, adjusted each one for a different type of gas N gas or LP gas. The outlet conduit (5) of the valve is equipped with a further injector nozzle (21,23) for adjusting a constant gas flow Qmax to be fed into the conduit (25) of the correspondent burner, when the cooking appliance is supplied with a LP gas.

Description

TECHNICAL FIELD [0001] The present invention relates to a gas valve of the conical rotary plug type attached to an actuating shaft, being the gas valve mounted on the panel of a cooking appliance and its outlet conduit faced to a burner inlet, wherein the rotary plug is provided with a control knob, and aperture means for adjusting the flow rate according to the fuel gas family supplied to the cooking appliance, and the outlet conduit with an injection means. PRIOR ART [0002] Gas valves of the above-defined type are already known, wherein he gas valve is mounted on the front control panel with the actuating shaft passing through a external control panel in the appliance, and the valve body resting inside the appliance faced to the fuel inlet of a burner. The external free end of the actuating shaft is fitted with a rotary control knob inserted in the latter. The control knob is removable from the shaft by pulling it out. The hollow body of the valve has its own gas outlet conduit wh...

Claims

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Application Information

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IPC IPC(8): F23D14/62F23N1/00F24C3/12
CPCF23K2401/201F23K2900/05001F24C3/124F23N2035/12F23N1/007F23N2235/12F23K2400/201
Inventor ALBIZURI, INIQO
Owner COPRECITEC
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