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Crompton Parkinson nameplate on a crane. Crompton & Co. was a lamp manufacturer founded by R. E. B. Crompton in 1878. The company was widely known for installing the first electric lighting in Windsor Castle, Holyrood Palace and other prominent buildings.
The company was established in 1937 as Crompton Parkinson Works Limited, a wholly-owned subsidiary of Crompton Parkinson.In 1947, it was acquired by Karam Chand Thapar. [6] [7] The company was established in 2016 as an outcome of the demerger of Crompton Greaves Limited which separated the latter's consumer goods business from the power and industrial systems segment. [8]
Col. R. E. B. Crompton founded R.E.B. Crompton & Company in 1878. The company was merged with F.A. Parkinson in 1927 to form Crompton Parkinson Ltd. Greaves Cotton and Company, established by James Greaves in 1859, was appointed as their concessionaire in India. [4] The company was incorporated on 28 April 1937 as Crompton Parkinson Work ...
An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning system. [1] An air handler is usually a large metal box containing a blower , furnace or A/C elements, filter racks or chambers, sound attenuators , and dampers . [ 2 ]
Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.
For purposes of air conditioning, the Han dynasty craftsman and engineer Ding Huan (fl. 180 CE) invented a manually operated rotary fan with seven wheels that measured 3 m (10 ft) in diameter; in the 8th century, during the Tang dynasty (618–907), the Chinese applied hydraulic power to rotate the fan wheels for air conditioning, while the ...
These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.
Crompton supplied equipment throughout the British Empire, with power stations being built as far aways as Australia, which received its first Crompton lighting plant in 1887. In 1899, the company installed a generator set in a Calcutta hotel, producing India's first ever electricity supply. India became a significant market for Crompton & Co ...
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