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  2. Vent-Axia - Wikipedia

    en.wikipedia.org/wiki/Vent-Axia

    The company was originally incorporated on 28 January 1933, and as Vent-Axia Limited private company on 4 April 1936, to produce and sell ventilation equipment. [2] [3] During the Second World War, the company made fans for 10 Downing Street. [4] In 1946, the company acquired a new factory in Putney with 18,000 square feet (1,700 m 2) of floor ...

  3. Axial fan design - Wikipedia

    en.wikipedia.org/wiki/Axial_fan_design

    An axial fan is a type of fan that causes gas to flow through it in an axial direction, parallel to the shaft about which the blades rotate. The flow is axial at entry and exit. The fan is designed to produce a pressure difference, and hence force, to cause a flow through the fan. Factors which determine the performance of the fan include the ...

  4. Fan (machine) - Wikipedia

    en.wikipedia.org/wiki/Fan_(machine)

    A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

  5. Axial compressor - Wikipedia

    en.wikipedia.org/wiki/Axial_compressor

    An animated simulation of an axial compressor. The static blades are the stators.. An axial compressor is a gas compressor that can continuously pressurize gases.It is a rotating, airfoil-based compressor in which the gas or working fluid principally flows parallel to the axis of rotation, or axially.

  6. Ventilation (architecture) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(architecture)

    The steam vessels built for the Niger expedition of 1841 were fitted with ventilation systems based on Reid's Westminster model. [45] Air was dried, filtered and passed over charcoal. [ 46 ] [ 47 ] Reid's ventilation method was also applied more fully to St. George's Hall, Liverpool , where the architect, Harvey Lonsdale Elmes , requested that ...

  7. Perodua Axia - Wikipedia

    en.wikipedia.org/wiki/Perodua_Axia

    The car takes over the title of being the most affordable car in Malaysia from the Viva, and the best-selling car in Malaysia for three consecutive years, between 2015 until 2017. [2] The Axia is the first model to debut from Perodua's all-new second factory in Rawang, Selangor. As of mid-2023, the Axia reached 600,000 units sold since the ...