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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. Heat recovery ventilation - Wikipedia

   en.wikipedia.org/wiki/Heat_recovery_ventilation

   Diagramatic operation of a thermal wheel Ljungström Air Preheater by Swedish engineer Fredrik Ljungström (1875–1964). A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop ...

5. Foster Mom, Grandfather Were Killed Before 2 Children Were ...

   www.aol.com/foster-mom-grandfather-were-killed...

   Jennifer Lyn Bernhard and her father Stevie Ray Smith were killed during an alleged attack by Shuvonne Vinson, Gregory Callhan and Keith Finley, per police

6. No further action in Alison Hammond blackmail case - AOL

   www.aol.com/no-further-action-alison-hammond...

   Prosecutors say they will take no further action against a man who was arrested on suspicion of blackmailing TV presenter Alison Hammond. A 36-year-old from Warwickshire was arrested and later ...

7. Murder investigation after woman's body found in Cavan - AOL

   www.aol.com/murder-investigation-launched-death...

   A murder investigation has been launched after the body of a woman in her 50s was found in County Cavan. Gardaí (Irish police) said they were called to a house in a rural area near Ballyconnell ...