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US 6,668,707 B2Granted
Fuel-efficient steam cooking device
OwnerJyeshtharaj Bhalchandra Joshi, Shirish Bhailal Patelinventors
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Abstract
The invention provides a novel cooking device that saves more than 70% fuel as compared to conventional cooking systems and comprises, (i) a basal receptacle, (ii) a series of cooking utensils, and (iii) inner cover and outer cover, both engaged firmly to the basal receptacle.
Claims27
A steam cooking device comprising:
- a) basal receptacle (21) of heat conductive metal or material for holding water;
- b) one or more cooking utensils (22) stacked one on top of the other such that each of the utensils in the stack fit into each other and the diameter of the largest cooking vessel is in general less than the diameter of the basal receptacle and the water in the basal receptacle touches the lowest cooking utensil;
- c) an inner cover (23) capable of being engaged with the basal receptacle and covering the stack of cooking utensils, said inner cover having a diameter greater than that of the widest cooking utensil and the diameter at the base of the inner cover being less than the basal receptacle;
- d) an outer cover, (24) capable of engaging with the basal receptacle, and covering the entire assembly, wherein the diameter of the outer cover is greater than the cooking utensils as well as the inner cover and the diameter at the base of the outer cover being less than or equal to the diameter of the basal receptacle, and
- e) a gap of about 5 to 10 mm of stagnant air free of convection currents, is provided between the inner cover and the outer cover.
2 more elements
Dependencies are inferred from the claim text.