Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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 |
| 7328676 | Hydraulic valve play compensation element A hydraulic valve play compensation element for an internal combustion engine is provided as a reverse-spring/free-ball element, with a cylindrical housing, a cylindrical piston (21) guided therein with sealing play and a control valve (20), which is a... | 02/12/2008 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7237520 | Hydraulic valve-lash-adjusting element (HVA) A hydraulic valve-lash-adjusting element (HVA) for the valve train of an internal combustion engine, wherein: a housing (1) has a blind bore (2) in which a piston (3) is guided with sealing clearance and is in ... | 07/03/2007 |
| 6901896 | Arm type valve gear For an arm type valve gear in which a lash adjuster is mounted between an arm pivoted by the rotation of a cam and a valve stem, it is a goal to reduce the axial length of the lash adjuster and to suppress wear at the contact portion with the valve stem. An engaging... | 06/07/2005 |
| 6748914 | Refillable metering valve for hydraulic valve lifters Oil metering valve means in a hydraulic valve lifter configured such that a metering plate cooperates with a pushrod seat to meter the flow of oil in a forward direction. The metering means is also conducive to the flow of oil in the reverse direction, permitting an... | 06/15/2004 |
| 6718940 | Hydraulic lash adjuster with compression release brake The present invention is directed to an improved assembly for operating at least one exhaust valve and at least one intake valve in a cylinder in an engine. The assembly includes a rocker shaft, an intake rocker arm pivotally mounted on the rocker shaft for operatin... | 04/13/2004 |
| 4998514 | Self-operating lash-adjusting tappet assembly In an overhead cam internal combustion engine, an adjustable thickness shim assembly is interposed between the end of a valve stem and the underside of a conventional inverted cup follower engaged by the cam shaft. A body component of the shim assembly fo... | 03/12/1991 |
| 4463713 | Hydraulic tappet with automatic taking up of the clearance for endothermic engines Hydraulic tappet comprising a first and a second body shaped as a socket defining between them a chamber suited to be filled with a fluid coming from a source through an appropriate duct formed in the said socket bodies; along the said duct is arranged a ... | 08/07/1984 |
| 4450799 | Valve clearance compensator for internal combustion engines A valve clearance compensator for an internal combustion engine. The compensator includes a sliding member provided with a wedge-shaped surface. The sliding members are arranged so as to be axially displaceable between each control cam of a camshaft and a... | 05/29/1984 |
| 4409935 | Mechanical valve clearance compensator for internal combustion engines A mechanical valve clearance compensator for internal combustion engines with cup tappet operation. A wedge provided with a wedge-shaped surface is supported in the cup tappet to be displaceable at right angles to a travel direction of the cup tappet. The... | 10/18/1983 |
| 4365595 | Actuation of valves of internal combustion engines The invention provides an inexpensive and simple mechanical spring system which automatically compensates for variations in the clearance gap in the valve-actuating mechanism of internal combustion engines, whereby considerably to lengthen the time an eng... | 12/28/1982 |
