Acceleration device for a two-cycle engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 19, 2002
Grant Date -
N/A
app pub date -
Oct 16, 2000
filing date -
Oct 21, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An acceleration device of a carburetor for a two cycle engine with a rotary dual valve which controls air flow through both a scavenging passage and a separate air intake passage each extending through a carburetor body. The carburetor body houses a metering fuel chamber and an air reference chamber defined by a diaphragm between them. Fuel in the metering fuel chamber is discharged through a port into the air intake passage. An acceleration pump has an actuation chamber which communicates with the scavenging passage and a pump chamber which communicates with the air reference chamber and a membrane between them. During engine acceleration the membrane is displaced by a pressure introduced into the actuation chamber to forcibly send air into the air reference chamber from the pump chamber to move, the diaphragm into the metering fuel chamber, and thereby increase the fuel delivered to the air intake passage.
First Claim
Other Claims data not available