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From around 1905 to 1910 various mercury switches were invented, but the "mercury in glass envelope" switch got its start with patent 1598874 (filed on January 19, 1922 by Louis Phelan), [1] which evolved into a more modern mercury switch with a straight tubular glass envelope via patent 2232626 (filed on October 7, 1937 by Harold Olson of Honeywell).
Honeywell Excel Series [45] Honeywell's Smart Home Security Starter Kit [46] Honeywell Guest Room Control [47] Honeywell Public Address and Voice Alarm (PAVA) products [48] Honeywell Pulse for Connected Buildings [49] Honeywell SymmetrE [50] Honeywell Vector Occupant App [51] Honeywell WEBs N4 - Niagara [52] Honeywell WEBs-EXP (Energy Expert) [53]
A limit switch with a roller-lever operator; this is installed on a gate on a canal lock, and indicates the position of a gate to a control system A limit switch mounted on a moving part of a bridge In electrical engineering , a limit switch is a switch operated by the motion of a machine part or the presence of an object.
A tire-pressure monitoring system (TPMS) monitors the air pressure inside the pneumatic tires on vehicles. [1] A TPMS reports real-time tire-pressure information to the driver, using either a gauge, a pictogram display, or a simple low-pressure warning light. TPMS can be divided into two different types – direct (dTPMS) and indirect (iTPMS).
A heating element is a device used for conversion of electric energy into heat, consisting of a heating resistor and accessories. [1] Heat is generated by the passage of electric current through a resistor through a process known as Joule heating. Heating elements are used in household appliances, industrial equipment, and scientific ...
Car engine thermostat Perhaps the most common example of purely mechanical thermostat technology in use today is the internal combustion engine cooling system thermostat, used to maintain the engine near its optimum operating temperature by regulating the flow of coolant to an air-cooled radiator .
Thermal switches on microprocessors often stop only the fetching of instructions to execute, reducing the clock rate to zero until a lower temperature is reached, while maintaining power to the cache to prevent data loss (although a second switch, with a higher triggering temperature, usually turns off even the cache and forces the computer to ...
In 2014, Honeywell sold the Bendix trademark for automotive brakes in the US, to MAT Holdings. [9] Many Bendix automotive, truck and industrial brakes sold in the United States used asbestos as late as 1987. [10] Bendix's current parent, Honeywell, continues to deal with numerous lawsuits brought as a result of asbestos-containing Bendix brand ...