This sounds like the combustion cycle used in the Toyota Prius engine. I remember it being called something else....
regards Doug On Saturday 25 March 2006 4:22, robert luis rabello wrote: > Michael Redler wrote: > > News: Hot rod engineer makes six-stroke engine > > 17 Mar 06 15:14 > > Bruce Crower is one of those guys who just isn't content within the > "box". Back in the early 1980's, he was marketing a "compound > expansion" camshaft. The idea was that a high compression, long > stroke engine could run with a very short intake valve duration. > Reducing the intake charge by 1 / 3, compressing to 15:1 and allowing > the resulting gases to fully expand, Crower squeezed very impressive > fuel economy figures from a 5.7 liter small block Chevy. > > The engine had reduced torque, but improved horsepower because of the > scavanging effect its odd valve timing produced at high rpm. This was > just one example of how thinking differently can result in creative > problem solving. In the case of the compound expansion camshaft, > decreasing fuel quality killed the thing, but I've always wanted to > try that approach with hydrogen, ethanol or propane. > > And then there's direct injection, rotary valves, supplemental H2 > injection, a hybrid stirling cycle and a whole HOST of other ideas I'd > love to try . . . It's too bad I'm not independently wealthy! > > > robert luis rabello > "The Edge of Justice" > Adventure for Your Mind > http://www.newadventure.ca > > Ranger Supercharger Project Page > http://www.members.shaw.ca/rabello/ > > > > _______________________________________________ > Biofuel mailing list > Biofuel@sustainablelists.org > http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Search the combined Biofuel and Biofuels-biz list archives (50,000 > messages): http://www.mail-archive.com/biofuel@sustainablelists.org/ _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
