Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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.
| Number | Title | Issue Date |
| 7120536 | Method of diagnosing the operating state of a motor vehicle diesel engine In the method of diagnosing the operating state of a motor vehicle diesel engine of the invention, the engine includes a pressure acquisition system associated with each cylinder of the engine to acquire the pressure in that cylinder, an engine shaft angle acquisiti... | 10/10/2006 |
| 6935313 | System and method for diagnosing and calibrating internal combustion engines A method, system, and machine-readable storage medium for determining a predetermined operating condition of an internal combustion engine are disclosed. In operation, the method, system and machine-readable storage medium measure a cylinder pressure in at least one... | 08/30/2005 |
| 6931836 | Method for NOx reduction of externally-ignited, explosion, internal combustion engines In a method for reducing NOx in the exhaust gas of an externally ignited, explosion-type internal combustion engine that is operated at a lean fuel/air ratio of λ>1 and has a motor control device for controlling λ, the λ value is slidingly controlled a... | 08/23/2005 |
| 6871135 | Method for operating an internal combustion engine, the internal combustion engine and a control apparatus therefor The invention is directed to a method for operating an internal combustion engine (1) wherein a fault of a pressure system with a pressure sensor (14) is determined by a first diagnostic system (14′) of the engine (1). The pressure sens... | 03/22/2005 |
| 5168854 | Method and apparatus for detecting failure of pressure sensor in internal combustion engine Method and apparatus for detecting a failure of a pressure sensor provided in association with a cylinder of an internal combustion engine for detecting the pressure therein. Decision as to occurrence of a failure in the pressure sensor is made on the bas... | 12/08/1992 |
| 5101788 | Internal-combustion engine control device An internal-combustion engine control device includes a pressure sensing device for sensing a cylinder pressure of the internal-combustion engine, a crank angle sensing device for sensing a crank angle, an indicated mean effective pressure computing devic... | 04/07/1992 |
| 4903664 | Spark ignition timing control system for internal combustion engine with fail safe system for cylinder pressure sensor A fail safe system for a cylinder pressure sensor is used for a spark ignition timing control system which calculates a physical quantity for combustion energy within the combustion chamber of an engine cylinder of an internal combustion engine and correc... | 02/27/1990 |
