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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8127728 | Vane-type cam phaser having dual rotor bias springs A vane-type camshaft phaser for varying the timing of combustion valves including a first torsional bias spring disposed on a cover plate spring guide and grounded to the cover plate and to a slot in a spring retainer to urge the rotor toward an intermediate locking... | 03/06/2012 |
| 8033257 | Vane-type cam phaser having staged locking pins to assist intermediate position locking A vane-type camshaft phaser including a bias spring to urge the rotor toward an intermediate locking position from any rotational position retarded of the locking position. The rotor comprises non-coaxially acting primary and secondary locking pins for mating with p... | 10/11/2011 |
| 7798113 | Two-step roller finger cam follower assembly having a follower travel limiter A two-step roller finger follower assembly for use in conjunction with a camshaft of an internal combustion engine, wherein the camshaft has at least one first lobe and at least one second lobe. The roller finger follower assembly comprises a follower body for engag... | 09/21/2010 |
| 7721692 | Cam phaser having pre-loaded spring for biasing the rotor through only a portion of its range of authority During assembly of an improved phaser, a rotor bias spring is captured by a spring retainer that is fitted or formed into the cover, allowing the spring to be installed in a pre-load position and forming a sub-assembly that is then attached to the remaining componen... | 05/25/2010 |
| 7614370 | Vane-type cam phaser having bias spring system to assist intermediate position pin locking A vane-type camshaft phaser for varying the timing of combustion valves in an internal combustion engine includes a seat formed in the sprocket at the appropriate position of intermediate rotation and a locking pin slidably disposed in a vane of the rotor for engagi... | 11/10/2009 |
| 7421989 | Vane-type cam phaser having increased rotational authority, intermediate position locking, and dedicated oil supply A vane-type camshaft phaser having a rotational authority between 40 crank degrees before TDC and 30 crank degrees after TDC. The phaser includes a stator seat formed at a rotation position intermediate between full advance and full retard. A locking pin in a vane o... | 09/09/2008 |
| 7363897 | Vane-type cam phaser having bias spring system to assist intermediate position pin locking A vane-type camshaft phaser for varying the timing of combustion valves in an internal combustion engine. The phaser includes a seat formed in the sprocket at the appropriate position of intermediate rotor rotation and a locking pin slidably disposed in a vane of th... | 04/29/2008 |
| 7305951 | Two-step roller finger follower A two-step roller finger follower having a high-lift follower portion that rotates relative to a low-lift follower portion about a pivot shaft, including a lost-motion compression spring disposed in a linear bore formed in the high-lift portion to exert force agains... | 12/11/2007 |
| 7066127 | Controlled engine camshaft stopping position A system for bringing an internal combustion engine to a stop at a predetermined angular position of an engine shaft, such as a crankshaft or a camshaft, with respect to the engine's valves. The optimum shaft stop position is the point wherein the fewest lifters are... | 06/27/2006 |
| 7008198 | Cam operated pump having lost motion shuttle A peristaltic piston pump driven by a dedicated pump cam disposed on a camshaft of an engine. A plurality of valve-opening cams are disposed along the camshaft. The pump cam has a plurality of lobes equal in number to the number of valve cams and each pump lobe is d... | 03/07/2006 |
| 6988473 | Variable valve actuation mechanism having an integrated rocker arm, input cam follower and output cam body A variable valve actuation mechanism includes a control shaft assembly and a body. The control shaft assembly is pivotable relative to a pivot axis. The body is pivotally disposed on the control shaft assembly, and includes an input cam follower and at least one out... | 01/24/2006 |
| 6966291 | Latch timing mechanism for a two-step roller finger cam follower In a two-step roller finger cam follower, a slider arm for engaging a high-lift cam lobe is pivotally mounted to the body and can variably engage a latch pin slidably disposed in a latch pin channel. A second channel in the body opens onto the slider arm and contain... | 11/22/2005 |
| 6938873 | Compound valve assembly for controlling high and low oil flow and pressure A compound valve assembly for controlling oil flow includes a first and a second valve. The first valve is a pressure relief valve including a spring-biased plunger in a side gallery opening off a primary oil supply gallery leading to a pressure-actuated device. The... | 09/06/2005 |
| 6904937 | Switchable fluid control valve system A switchable fluid control valve assembly having a regulating spool and a pilot spool disposed within a common bore. A regulating spring urges the regulating spool toward a rest position wherein an oil supply port is fully uncovered. Supply oil entering the assembly... | 06/14/2005 |
| 6868811 | Frameless variable valve actuation mechanism A variable valve actuation mechanism includes a control shaft and a rocker arm. A second end of the rocker arm is connected to the control shaft. The rocker arm carries a roller for engaging a cam lobe of an engine camshaft. A link arm is pivotally coupled at a firs... | 03/22/2005 |
| 6758184 | Method and apparatus for reducing oscillatory camshaft torque in an internal combustion engine A peristaltic piston pump driven by a dedicated pump cam disposed on a camshaft of an engine. A plurality of valve-opening cams are also disposed along the camshaft. The pump cam has a plurality of lobes equal in number to the number of valve cams and each pump lobe... | 07/06/2004 |
| 6422187 | Variable valve mechanism having an eccentric-driven frame A variable valve mechanism includes an elongate input shaft having a central axis. An input cam lobe is disposed on the input shaft and is eccentric relative to the central axis. A guide member is pivotally mounted on the input shaft. A frame is disposed ... | 07/23/2002 |
| 6382153 | Partial internal guide for curved helical compression spring A variable valve actuating comprising a spring guide for use with a curved spring includes an elongate, curved guide member having a centerline. The centerline has a centerline curvature that is substantially equal to the radius of curvature of the curved... | 05/07/2002 |
