Donald Wayne Larcen
Engineers at Portland Pl, Richmond, VA
License number
Colorado 1227
Issued Date
Oct 15, 1949
Renew Date
Jun 2, 1984
Expiration Date
Jun 2, 1984
Type
Professional Engineer
Address
Address
214 Portland Pl, Richmond, VA 23221
Personal information
See more information about Donald Wayne Larcen at radaris.comName
Address
Phone
Richmond, VA
214 Portland Pl, Richmond, VA 23221
Professional information
See more information about Donald Wayne Larcen at trustoria.com
Rotary Burner Control
Rotary Burner Control
US Patent:
4113418, Sep 12, 1978
Filed:
Jun 8, 1977
Appl. No.:
5/804689
Inventors:
Donald W. Larcen - Richmond VA
International Classification:
F23M 102
US Classification:
431 12
Abstract:
An improved embodiment of the rotary fuel-steam burner system described in copending application Ser. No. 664,214 filed Mar. 5, 1976, now U. S. Pat. No. 4,035,133.
A fuel flow set point signal is delivered to a diaphragm motor valve to set a desired fuel flow-area therein; and, a differential pressure regulator maintains a correspondingly desired pressure drop thereacross.
In a sonic flow embodiment regulator steam flow is controlled by a differential pressure regulator having its low pressure side connected to a ratio control device and its high pressure side connected to a downstream point in the steam line.
Rotary Burner Control
Rotary Burner Control
US Patent:
4035133, Jul 12, 1977
Filed:
Mar 5, 1976
Appl. No.:
5/664214
Inventors:
Donald W. Larcen - Richmond VA
International Classification:
F23M 102
US Classification:
431 12
Abstract:
A system and method for controlling a rotary burner of the type in which attempts have been made to maintain predetermined differential pressures between steam and fuel delivered thereto. The fuel flow is adjusted to provide a given heat release; and without regard to pressure, the steam flow is adjusted in accordance with a predetermined ratio to correspond to the given fuel flow.