F - Mech Eng,Light,Heat,Weapons – 23 – C
Patent
F - Mech Eng,Light,Heat,Weapons
23
C
158/34
F23C 15/00 (2006.01)
Patent
CA 1169350
ROGERS, BERESKIN & PARR C A N A D A Title: PULSE COMBUSTION APPARATUS Inventor: JOHN A. KITCHEN ABSTRACT OF THE DISCLOSURE The disclosure relates to pulse combustion appara- tus generally and to air furnaces of the pulse combustion type. The invention provides a control system for the pulse combustion apparatus in which the air velocity in a combus- tion air intake is sensed and used for controlling the apparatus. The system responds to a first air intake velocity as indicating satisfactory operation of a starting blower and activates the gas supply and ignition means, and to a second air intake velocity as indicating establishment of combustion; the circuit will then de-activate the ignition means and blower. The system also includes a timer which will shut off the gas supply if the second velocity is not achieved after a predetermined time interval from initiation of a starting attempt.
426467
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Kitchen John A.
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