F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
158/80
F23D 11/44 (2006.01) F23K 5/20 (2006.01) F24H 1/10 (2006.01)
Patent
CA 1223192
Abstract In order to achieve a constant, virtually optimal tempera- ture of the fuel oil supplied to a burner and prevent any local overheating even when the burner malfunctions or is temporarily switched off, a preheating device for fuel oil to be installed in the fuel supply path is provided which comprises a chamber having an inlet for the oil to be pre- heated, this inlet being directly connected with the central passage of a first heating cartridge arranged within the chamber, and a second heating cartridge following the first, arranged in a cup-shaped vessel in such a way that a pressure chamber is formed between the bottom of the cup and a front surface of the second heating cartridge, this pressure cham- ber communicating with the inside of the chamber via a narrow annular gap extending along the length of the second heating cartridge between the outer walling of this cartridge and the inner walling of the cup-shaped vessel. An immersion pipe leads from the central passage of the first heating cartridge to the vicinity of a closed end of the central passage of the second heating cartridge. Due to the specially designed path of flow, heat transmission from the heating cartridges to the fuel oil is good.
446724
Heimler Horst
Riches Mckenzie & Herbert Llp
LandOfFree
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