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US 2005/0017833 A1Published application
Timing apparatus
OwnerRobert Rajewskiinventor
Life of this patent
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Abstract
A timing apparatus is comprised of a magnet attached to the second hand of a clock and a reed switch. As the magnet passes by the reed switch, the reed switch closes and completes the circuit. The timing apparatus is used to control a pilotless ignition system that ignites waste gases in flare stacks from electrical discharges. The timing apparatus is also used to control a pipeline injection system.
Claims19
A timing apparatus to provide switching, the apparatus comprising:
- a clock with a sweeping hand;
- and
- a switch positioned to be activated by passage of the sweeping hand past the switch.
Dependencies are inferred from the claim text.