Liquid heaters and vaporizers – Circulation – Having restrictors and orifices
Reexamination Certificate
2005-12-27
2005-12-27
Wilson, Gregory (Department: 3749)
Liquid heaters and vaporizers
Circulation
Having restrictors and orifices
C122S036000, C122S415000
Reexamination Certificate
active
06978740
ABSTRACT:
A direct-fired steam generator system is used in conjunction with a baler for providing steam for re-hydrating the crop being baled. Cooling water is pumped through water jackets defined by double walls surrounding the combustion chamber and adjacent components, with this water being routed exteriorly of the water jackets and back to a three-way water control valve provided for normally routing the water back to the cooling water reservoir. The control valve is selectively actuated to couple the returning water to an injector flange for metering the water into an outlet end of the combustion chamber only when a flame is present or soon to be present in the combustion chamber, whereby the water will come into contact with hot combustion gases and be changed to steam which is routed on to be applied to the crop being baled.
REFERENCES:
patent: 3786798 (1974-01-01), Huettner
patent: 4462342 (1984-07-01), Welden
patent: 5043175 (1991-08-01), Bayley et al.
patent: 6401669 (2002-06-01), Macgowan et al.
Kraus Timothy James
Lang Eric Ryan
Schlesser Walter Mark
Deere & Company
Wilson Gregory
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