F - Mech Eng,Light,Heat,Weapons – 04 – F
Patent
F - Mech Eng,Light,Heat,Weapons
04
F
230/134
F04F 1/00 (2006.01) F04F 13/00 (2009.01) F02B 33/42 (2006.01)
Patent
CA 1221071
ABSTRACT OF-THE DISCLOSURE A gas-dynamic pressure wave machine with an exhaust gas bypass which includes a flap provided in the bypass which opens with higher engine speeds in order to limit the peak pressure in the internal combustion engine. A flap control is provided via a pressure box with a process pressure, For example, exhaust gas pressure, as the controlling dimension. The process pressure is coupled with a constant pressure such as a vacuum or excess pressure for altitude compensa- tion and temperature compensation in such a manner that the process pressure is to be raised by the same amount with a decreasing atmospheric pressure. For this purpose, the pressure box is divided into first and second separate chambers by means of a diaphragm and the process pressure acts on the first chamber while the second chamber is main- tained under a constant pressure. The diaphragm acts on the flap through a plurality of rods.
416487
Limited Bbc Brown Boveri & Company
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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