Power plants – Internal combustion engine with treatment or handling of... – Pulsed – timed – tuned or resonating exhaust
Patent
1988-09-13
1991-03-19
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Pulsed, timed, tuned or resonating exhaust
60324, F02B 2702
Patent
active
049999990
ABSTRACT:
A number of embodiments of exhaust control devices particularly adapted for use with motorcycles and wherein the exhaust control device is designed to be positioned beneath the engine transmission assembly of the motorcycle and which offer a compact configuration. In each embodiment, the expansion device is formed of a fabricated member from sheet metal stampings. The exhaust device comprises an inlet or collector section an expansion chamber and an outlet. In some embodiments, both the inlet collector section conduits are formed from joined stampings and the expansion chamber is formed from joined stampings and in other embodiments only the expansion chamber is formed from joined stampings and the inlet conduits of the collector section are formed from formed tubular members. In all embodiments, an exhaust control valve is positioned in the expansion chamber for controlling the pulses existent in the inlet conduits of the collector section and the exhaust pipes so as to improve performance through out the entire engine load and speed ranges.
REFERENCES:
patent: 933906 (1909-09-01), Illy
patent: 1411226 (1922-03-01), Stumpf
patent: 2230740 (1941-02-01), Birkigt
patent: 2239262 (1941-04-01), Violet
patent: 2305946 (1942-12-01), Wilson et al.
patent: 2627851 (1953-02-01), Cushman
patent: 2644436 (1953-07-01), Berlyn
patent: 2686398 (1954-08-01), Anderson
patent: 2717583 (1955-09-01), Maybach et al.
patent: 3523418 (1970-08-01), Marsee
patent: 3670844 (1972-06-01), Penfold
patent: 3751921 (1973-08-01), Blomberg et al.
patent: 3817227 (1974-06-01), Onishi
patent: 3938330 (1976-02-01), Nakajima et al.
patent: 3969895 (1976-07-01), Krizman
patent: 4051821 (1977-10-01), Amann
patent: 4254752 (1981-03-01), Friddell et al.
patent: 4522029 (1985-06-01), Tomita et al.
patent: 4539813 (1985-09-01), Tomita et al.
patent: 4545200 (1985-10-01), Oike et al.
patent: 4554785 (1985-11-01), Oike
patent: 4558566 (1985-12-01), Shirakura
patent: 4621494 (1986-11-01), Fujita
patent: 4656830 (1987-04-01), Ohno
Hiraguchi Yoshitsugu
Takahashi Naohisa
Beutler Ernest A.
Hart Douglas
Yamaha Hatsudoki Kabushiki Kaisha
LandOfFree
Exhaust gas control device for motorcycles does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Exhaust gas control device for motorcycles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exhaust gas control device for motorcycles will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2001262