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2. Duckbill valve - Wikipedia

   en.wikipedia.org/wiki/Duckbill_valve

   Duckbill exhaust valve for Draeger twin hose regulator. A duckbill valve is a check valve, usually manufactured from rubber or synthetic elastomer, and has two or more flaps, usually shaped like the beak of a duck. [1] It is commonly used in medical applications to prevent contamination due to backflow. A cross-section diagram of a Duckbill valve.

3. Chalmers Automobile - Wikipedia

   en.wikipedia.org/wiki/Chalmers_Automobile

   The jacket heads were built into the water heater or return pipe to the radiator as one piece and in the head of the combustion chamber was a 2 3/8-inch threaded plug which when removed gave access to the entire combustion chamber for carbon removal without removing the cylinder castings. [16]

4. General Motors Atlas engine - Wikipedia

   en.wikipedia.org/wiki/General_Motors_Atlas_engine

   It has four valves per cylinder, utilizes dual-overhead cams design, and features variable valve timing on the exhaust cam, a first for GM inline engines. When introduced, this engine's power was 270 hp (201 kW) at 6,000 rpm and torque was 275 lb⋅ft (373 N⋅m) at 3,600 rpm. 2003 saw a slight bump in power to 275 hp (205 kW), while torque was ...

5. Heat pipe - Wikipedia

   en.wikipedia.org/wiki/Heat_pipe

   Diagram showing components and mechanism for a heat pipe containing a wick Heat pipes keep ground frozen and inhibit water transfer into the open pit during mining activities at Ekati Diamond Mine This 100 mm by 100 mm by 10 mm high thin flat heat pipe (heat spreader) animation was created using high resolution CFD analysis and shows temperature contoured flow trajectories, predicted using a ...

6. Straight-six engine - Wikipedia

   en.wikipedia.org/wiki/Straight-six_engine

   The straight-six engine (also referred to as an inline-six engine; abbreviated I6 or L6) is a piston engine with six cylinders arranged in a straight line along the crankshaft. A straight-six engine has perfect primary and secondary engine balance , resulting in fewer vibrations than other designs of six or fewer cylinders.

7. Chevrolet small-block engine (first- and second-generation)

   en.wikipedia.org/wiki/Chevrolet_small-block...

   1987 – The valve cover surfaces were changed so that the mounting lip was raised and the bolt location was moved from 4 bolts on the perimeter to 4 bolts along the centerline of the valve covers (this design debuted on the Corvette in 1986, and the Chevrolet 4.3L 90 degree V6 the year before). Also changed were the mounting angles of the two ...