Search results
Results from the WOW.Com Content Network
In 1960, a mowing deck with its own Engine was manufactured for the S-Series. This model attached to the front of the tractor and made the S-Series the first Four Wheel Riding Lawn Mower in America. The models S-14, S-17, S-18, S-19, S-23, S-24, and S-32 were to be produced throughout the years.
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 ...
Air handlers typically employ a large squirrel cage blower driven by an AC induction electric motor to move the air. The blower may operate at a single speed, offer a variety of set speeds, or be driven by a variable-frequency drive to allow a wide range of air flow rates. Flow rate may also be controlled by inlet vanes or outlet dampers on the ...
Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel). Tiny ones used in computers are sometimes called biscuit blowers. These fans move air from the rotating inlet of the ...
Worx is also known for selling items like lawn mowers and chainsaws. It offers cordless electric lawn mowers that run exclusively on battery power and have zero carbon emissions. [ 13 ] In 2014, Worx released a fully robotic lawn mower (dubbed the "Worx Landroid") that will mow the lawn, returning to a charging station if the battery begins to ...
In 1988, Electrolux purchased Roper's lawn and garden products division. Roper was added to Husqvarna and Poulan/Weedeater divisions forming the new brand American Yard Products. [8] In 1989, Whirlpool Corporation acquired the Roper brand. [9] In 1992, Roper initiated a corporate acquisition program, supported by an initial public offering.
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
Poulan was founded as Poulan Saw Co. in 1946 by chainsaw pioneer Claude Poulan in Shreveport, Louisiana.Purchased in late 1950s or early '60 by the Beaird Company, also of Shreveport, it was known as Beaird-Poulan.