U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...In 1790, the cost to obtain a patent was between $4 and $5.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 123/51BA - Two-cycle separate crankshaft for piston


Subclass of Class 123 - Internal-combustion engines
No. of applications: 7
Last issue date: 05/22/2008


Application No.Application TitleIssue Date
20080115771Gas Exchange Control Mechanism for an Opposed-Piston Engine
A gas exchange control mechanism for an opposed-piston engine which opens and closes inlet and outlet slots provided in the cylinder irrespective of the position of the pistons. The opposed pistons are guided completely or partially during stroke in sliding sleeves duri...
05/22/2008
20080098992Two-Stroke Internal Combustion Engine
A cylinder bore (4) of a two-stroke internal combustion engine (1) has first scavenging ports (12) and second scavenging ports (13) inside. The first scavenging ports (12) are nearer to an exhaust port (11) of the engine (1
05/01/2008
20080047530INTERNAL COMBUSTION ENGINE
An internal combustion engine is provided. Facing pistons eliminate a cylinder head, thereby reducing heat losses through a cylinder head. Facing pistons also halve the stroke that would be required for one piston to provide the same compression ratio, and the engine ca...
02/28/2008
20070028866INTERNAL COMBUSTION ENGINE
In accordance with the invention, an internal combustion engine having reciprocating piston sleeves is realized comprising an engine block with a pair of cylinders, each cylinder having an intake port, an exhaust port and two linearly opposing pistons connected to two o...
02/08/2007
20070022983Internal combustion engine
The invention concerns a combustion engine comprising a cylinder and a piston which is displaceably guided in the cylinder, the piston having a piston head facing a combustion chamber and being coupled to a crankshaft via a connecting rod, wherein a second piston which ...
02/01/2007
20060185643Premixed charge compression ignition engine and reciprocating generator having the same
The object of the present invention is to provide a premixed charge compression ignition (PCCI) engine. The PCCI engine has a fuel injector (22) in a suction manifold (8) to prepare a premixed charge of fuel and air and induces a natural ignition of the pr...
08/24/2006
20060157003Opposed piston engine
A two-cycle, opposed piston engine with side-mounted crankshafts and cylinders isolated from mechanical stresses of the engine includes tailored cooling of cylinders and symmetrical cooling of the interior surfaces of piston crowns. Each opposed piston includes a compli...
07/20/2006
 
Sign InRegister
Username  
Password   
forgot password?