John H. Otteman - Gilroy CA John R. Lufkin - Whittier CA
International Classification:
F01P 1116 F01P 1118
US Classification:
123 4115
Abstract:
A protection system for internal combustion systems which indicates and alarms the loss of coolant liquid which it detects as a pressure drop at higher temperatures, and then sets off an alarm.
Kevin D. McGushion - Santa Monica CA John H. Otteman - Gilroy CA
International Classification:
F16K 1740
US Classification:
137 71
Abstract:
A safety valve for attachment to a gas cylinder. It has a body rigidly attachable to the port of a gas cylinder, with an inlet and an outlet. A valve between the inlet and outlet is held open by a fragile stem that is maintained in tension. When sufficient bending forces are exerted on the safety valve the stem breaks, its parts move apart from one another, and the safety valve closes.
A fluid pressure regulator having a flow path from inlet port to outlet port. Reduction of particulates which might be generated by the regulator itself are minimized by the absence of springs, freely moving parts, and rubbing contacts in the flow path, and by minimizing the cavity volume.
A linear actuator with a pair of in-line piston-cylinder combinations, separated by a partition. The combinations are supplied from a common source of fluid under pressure through a single inlet port. A guide pin prevents the uppermost piston from cooking, and serves as an upper limit stop. The pistons are biased into abutment with one another.
A valve, particularly for smaller sizes, with minimized envelope size and dead volume. Its body is comprised of two seamless parts, one inserted into the other and welded together with a single weld. This weld is the only joinder of the two parts. The inserted part has a valve seat and a free end which is cantilevered freely into the other part so the free end does not contact the other part. Closure means and actuator means are provided to control the valve.
William M. Gray - Los Gatos CA John H. Otteman - Gilroy CA
International Classification:
B60Q 900
US Classification:
340453
Abstract:
A warning for a vehicular air brake system, which system is powered by air compressed by a rotary compressor. A sensor senses rotation of some part of the compressor, and if a signal respective to rotation is not sensed during a predetermined increment of time, an alarm is caused to alert the operator of an impending lack of compressed air.
Name / Title
Company / Classification
Phones & Addresses
John Otteman President
Guardian Controls Corporation
570 Division St, Campbell, CA 95008
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