Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Semi-active muffler for internal combustion engine










Image Number 5 for United States Patent #6176347.

A semi-active muffler for an internal combustion engine comprising a case defining a closed space with a predetermined capacity, the case being partitioned into first, second, and third chambers, a first bypass pipe for communicating the first chamber with the third chamber, a second bypass pipe for communicating the second chamber with the third chamber, an inlet pipe for introducing exhaust gas into the first and second chambers, an outlet pipe for exhausting the exhaust gas introduced into the third chamber from the first and second chambers respectively through the first and second bypass pipes, a valve for selectively opening a downstream end of the second bypass pipe according to a pressure level within the second chamber, and buffer means for reducing an impact and noise when the valve is opened and closed, wherein the buffer means comprises a gap kept between the valve and the downstream end of the second bypass pipe even when the valve is in a completely closed position.








 
 
  Recently Added Patents
Method for determining an object class of an object, from which light is emitted and/or reflected to a vehicle
Robot control device
Fuel cell system, and electric vehicle equipped with the fuel cell system
Method and system for parallelizing data copy in a distributed file system
Schottky diode and method of manufacture
Security authentication method, apparatus, and system
Automatic pill dispenser
  Randomly Featured Patents
Multiple image visual puzzle and method
Slitter line
Laminated resealable booklets on labels and related methods of manufacture
Bottle opener and storage device
Pulse induction time domain metal detector
Apparatus for applying oscillating electromagnetic fields, particularly for treating liquid, pasty, semi-solid or granular products, and method of use of such apparatus and system incorporatin
Time-base error correction apparatus for video tape or disk player
Coupling joint for a couple of pipes
Medical trolley
Soybean variety A1015862