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2. Pilot valve - Wikipedia

   en.wikipedia.org/wiki/Pilot_valve

   Pilot valves are useful because they allow a small and easily operated feed to control a much higher pressure or higher flow feed, which would otherwise require a much larger force to operate; indeed, this is even useful when a solenoid is used to operate the valve. Pilot valves are often used in critical applications (e.g., emergency and SIS ...

3. Haldex Traction - Wikipedia

   en.wikipedia.org/wiki/Haldex_Traction

   Haldex Traction is a manufacturer of intelligent all-wheel drive (AWD) systems, founded in Sweden. Since the invention of Gen I in 1998, the company produced several generations of products licensed to and customized for some major automotive brands, that in turn have marketed Haldex Traction AWD under different names.

4. Pilot-operated relief valve - Wikipedia

   en.wikipedia.org/wiki/Pilot-operated_relief_valve

   The pressure at which the control pilot relieves is the functional set pressure of the PORV. When the pilot valve reaches set pressure it opens and releases the pressure from the dome. The piston is then free to open and the main valve exhausts the system fluid. The control pilot opens either to the main valve exhaust pipe or to atmosphere ...

5. Haldex (company) - Wikipedia

   en.wikipedia.org/wiki/Haldex_(company)

   Haldex co-owned (from 2004) the company Alfdex with Alfa Laval, for production of separators for truck engines. Haldex after 2011: In 2011, the Traction division was divested to BorgWarner, including the all-wheel drive. The hydraulic division formed a new company called Concentric and was listed on the Stockholm stock exchange.

6. Solenoid valve - Wikipedia

   en.wikipedia.org/wiki/Solenoid_valve

   Direct-acting valves are useful for their simplicity, although they do require a large amount of power relative to other types of solenoid valves. [4] If fluid pressures are high and orifice diameter is large, a solenoid may not generate enough force on its own to actuate the valve. To solve this, a Pilot-Operated solenoid valve design can be ...

7. 29 House Republicans want Trump to scrap the IRS's free ... - AOL

   www.aol.com/news/29-house-republicans-want-trump...

   That led to the rollout of a pilot program that was available in 12 states last year and is set to expand to 24 states in 2025. A spokesperson for the IRS didn't immediately respond to a request ...