[Stoves] SPAM: Jeremy Wartluft, Monserrat 1984
Tom Miles
tmiles at trmiles.com
Wed Nov 19 19:04:56 CST 2014
Tom Reed can provide some history. I have four of them that we evaluated for Tom in about 1990.
Tom Miles
From: Stoves [mailto:stoves-bounces at lists.bioenergylists.org] On Behalf Of Julien Winter
Sent: Wednesday, November 19, 2014 4:52 PM
To: Discussion of biomass cooking stoves
Subject: SPAM: [Stoves] Jeremy Wartluft, Monserrat 1984
Hello Stoves;
Jeremy Warfluft was certainly doing some interesting research in 1984. One of the stoves mentioned in his document was the Z-stove, developed by the Hottenroths. They hold a number of very interesting patents:
Hottenroth, FW Sr.; Jacoby, HD. 1966. Forced Draft Solid Carbon Fuel Burning Cooker US Patent 3,279,452
Hottenroth, FW Sr.; Hottenroth, FW Jr.. 1975. Portable forced draft solid fuel burning cooker. US Patent 3,868,943
Hottenroth, FW Sr.; Hottenroth, FW Jr.. 1976. Portable forced draft cooker. US Patent 3,982,522 A
Hottenroth, FW Sr.; Hottenroth, FW Jr.. 1984. Compact stove for emergency and other uses. US Patent 4,471,751
Hottenroth, FW Sr.; Hottenroth, FW Jr.. 1988. Biomass Stove. US Patent 4,730,597
Hottenroth, FW Sr.; Hottenroth, FW Jr.. 1991. Portable Stove. US Patent 5,024,208
Some of their stoves look like modern TLUDs, although I suspect that they didn't have top-lit operation in mind, but where thinking of burning chunky fuel with large pore-spaces, which would produce a fire at many levels down to the grate.
The Z-stove in Warfluft's document was probably an earlier version of the Hottenroths'1988 patent, http://www.google.com/patents/US4730597
Their 1966 patent looks strikingly like a flattened version of a modern forced draft TLUD: http://www.google.com/patents/US3279452
Has anyone ever heard of, or see a "Z-stove"?
Cheers,
Julien.
--
Julien Winter
Cobourg, ON, CANADA
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