F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 25/14 (2006.01) F02B 25/16 (2006.01) F02B 25/24 (2006.01) F02B 29/00 (2006.01) F02B 33/06 (2006.01) F02B 33/22 (2006.01) F02B 33/24 (2006.01) F02B 33/30 (2006.01) F02B 33/44 (2006.01) F02M 49/02 (2006.01) F02B 33/02 (2006.01) F02B 75/02 (2006.01) F02B 75/12 (2006.01)
Patent
CA 2494749
A reciprocating piston engine is described. The engine has a cylinder with a transfer port (22) and an exhaust port (24), whereby the transfer port (22) and the exhaust port (24) are at least partially coincident and are provided with a port valve (26). The engine further comprises a pump (32) having a divided chamber (38) therein, one side of the chamber being connected to a crankcase (30) via a connecting port (34), and the other side of said chamber having an inlet port (40), an outlet port (41) and a valve means (42, 44) to ensure unidirectional flow therethrough, wherein said chamber is divided by a moving member (36) responsive to variations in pressure in said crankcase (30) to cause flow through said other side of the chamber.
La présente invention concerne un moteur à pistons alternatifs. Ledit moteur présente un cylindre possédant un orifice de transfert (22) et un orifice d'échappement (24), l'orifice de transfert (22) et l'orifice d'échappement (24) coïncidant au moins partiellement et présentant une soupape d'orifice (26). Ledit moteur comprend également une pompe (32) présentant une chambre divisée (38), un côté de la chambre étant relié à un carter moteur (30) via un orifice de connexion (34), l'autre côté de ladite chambre présentant un orifice d'admission (40), un orifice de sortie (41) et un dispositif de soupape (42, 44) permettant d'assurer un écoulement unidirectionnel, ladite chambre étant divisée par un élément mobile (36) sensible à des variations de pression dans ledit carter moteur (30) de façon à entraîner un écoulement de l'autre côté de la chambre.
Branston Julian George Daniel
Hill & Schumacher
LandOfFree
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