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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 |
| 7958801 | Harmonic force generator for an active vibration control system A force generator for an active vibration control (AVC) system provides a mass located upon an inner circular member which is movable within an outer circular member to simultaneously complete one revolution about its axis as it orbits within the outer circular memb... | 06/14/2011 |
| 7503238 | Engine balancing device An engine balancing device is provided that is adapted to be coupled to an axial end of a crankshaft of an engine. The engine balancing device comprises a generally disk shaped main body and at least one balance tab. The generally disk shaped main body includes a hu... | 03/17/2009 |
| 7365461 | Crash management system for implementation in flywheel systems A crash management system for implementation in a flywheel energy storage system (FESS) is provided. Implementation of such a system entails designing an FESS rim that is highly failure resistant, and designing the FESS such that if one, some, or even all of its com... | 04/29/2008 |
| 7343893 | Internal combustion engine An internal combustion engine includes a connecting rod that connects a crankpin and a piston. The connecting rod has first and second connecting rods, and a guide piston is disposed at a connecting portion between the first and second connecting rods. Deformed port... | 03/18/2008 |
| 7305905 | Rotatable member with an annular groove for dynamic balancing during rotation A rotatable member is adapted for dynamic balancing by the addition of balancing weights in the form of high speed projectiles fired at the member during rotation in timed relationship with the rotation of the member so as to impact the member at specific circumaxia... | 12/11/2007 |
| 7302875 | Rotation transmitting device and hydraulic drive unit A hydraulic drive device, comprising a hydraulic motor (10), a rotating body (20) connected to the drive shaft (11) of the hydraulic motor (10), functioning, by itself as a flywheel, and having an internal gear (21) formed on the o... | 12/04/2007 |
| 7293543 | Integrated speed changer assembly An integrated speed changer assembly for increasing or decreasing the rotational speed of the output of an engine, or other prime mover, to that required by the input of a process machine. The assembly includes a housing, a flywheel assembly, an internal ring gear a... | 11/13/2007 |
| 7284460 | Balancer A weight 4 which is held by a weight holder 3 in a balancer has a pressing face 4b′ which is pressed against a guide face 12a provided along the circumferential direction of rotation of the weight holder 3 by centri... | 10/23/2007 |
| 7240583 | Dual function, highly damped, structurally and thermally compliant auxiliary bearing assembly An auxiliary bearing assembly for selectively engaging a shaft, preferably in an energy storage flywheel system, is configured to include a vibration damping seal, and an axial preload spring. The vibration damping seal damps out vibrations from the rotating group, ... | 07/10/2007 |
| 7219578 | Flywheel In a flywheel 2, a central part of a thin plate portion 3 having a flywheel mass provided on an outer peripheral side of the plate portion is joined to an end surface of a crankshaft 1 through a plurality of bolts 7 disposed annularly at ... | 05/22/2007 |
| 7197959 | Coupling structure mountable to a rotatable shaft A coupling structure capable of being removed in an undamaged condition from a rotatable shaft. The coupling structure includes a metallic insert and a polymer hub surrounding the metallic insert. The metallic insert features a sleeve and a flange at the leading edg... | 04/03/2007 |
| 7197958 | Energy storage flywheel retention system and method An energy storage flywheel system includes a flywheel assembly that is rotationally mounted in a housing assembly, and one or more actuator assemblies. The actuator assemblies are configured to selectively engage and disengage the flywheel assembly. When the actuato... | 04/03/2007 |
| 7178423 | Noise and vibration damper for a vehicular driveshaft assembly A noise and vibration damper for use with a rotatable structure, such as a driveshaft assembly for a vehicular drive train system, includes an inner member, an elastomeric member that extends about the inner member, and an outer member that extends about the elastom... | 02/20/2007 |
| 7174806 | Flexible bearing damping system, energy storage system using such a system, and a method related thereto A bearing damping system for damping vibrations and conducting heat from vibration-producing, heat-generating devices, an evacuated energy storage system including such a bearing damping system for damping vibrations produced by the rotating shaft and conducting hea... | 02/13/2007 |
| 7150207 | Flywheel A flywheel, especially for a dual-mass flywheel, having a friction surface and a mounting surface that is able to mate with a flange. It is distinguished by at least one buffer for the buffering of the friction surface and the mounting surface. ... | 12/19/2006 |
| 7143845 | Drilling apparatus with anti-vibration inertial body A blast-hole drilling rig includes a carriage, a mast disposed on the carriage, and a rotary head mounted on the mast for up-and-down movement. The rotary head includes: a housing forming an internal chamber, a hydraulically driven motor, and a rotation transmission... | 12/05/2006 |
| 7044022 | Variable inertia flywheel apparatus In a flywheel having variable inertia, first and second guide grooves are respectively formed at a body and a rotatable member such that an overlapping position thereof is varied according to a relative rotation thereof. A movable mass is disposed at the overlapping... | 05/16/2006 |
| 7034420 | Crash management system for implementation in flywheel systems A crash management system for implementation in a flywheel energy storage system (FESS) is provided. Implementation of such a system entails designing an FESS rim that is highly failure resistant, and designing the FESS such that if one, some, or even all of its com... | 04/25/2006 |
| 6695581 | Combination fan-flywheel-pulley assembly and method of forming A fan-flywheel-pulley assembly for use in conjunction with an electric motor. The assembly may include a pulley positioned about a central axis. The assembly may also include a flywheel coupled to the pulley and positioned about the central axis, the flyw... | 02/24/2004 |
| 6244134 | Torsional vibration damper A torsional vibration damper for a drive train of a motor vehicle comprises two flywheel mass arrangements which are rotatable both jointly and relative to one another about a common axis of rotation. The two flywheel mass arrangements are coupled by a co... | 06/12/2001 |
| 5498143 | Scroll compressor with flywheel A scroll compressor including a flywheel attached to the rotor of the motor. The flywheel prevents reverse rotation of the orbiting scroll during current interruption or normal compressor shutdown. Additionally, the flywheel prevents destruction of the oi... | 03/12/1996 |
| 5269197 | Principle and structure of actively driving or centrifugal linear following dynamic flywheel effect A device for storage and release of energy having a body rotatably connected to a center shaft and two fins pivotably connected to the body. The pins have arms which each have an inertia block on an end of the respective arm. The arms are connected to the... | 12/14/1993 |
| 5081884 | Crankshaft apparatus A crankshaft apparatus is disclosed which includes a crankshaft having a crank pin, an inner portion, a middle portion, and an end portion, a bearing mounted about the crankshaft inner portion, a sleeve mounted about the crankshaft middle portion, a flywh... | 01/21/1992 |
| 4699098 | Crankshaft for an internal combustion engine with multiple cylinders An improved lightweight and strong flywheel for a reciprocating machine having multiple cylinders. The crankshaft includes a plurality of journals offset from the axis of rotation of the crankshaft. At least one of these journals is connected to the crank... | 10/13/1987 |
| 4688419 | Flywheel assembly for dynamometers An improved mechanical flywheel assembly for a chassis dynamometer. The flywheel assembly includes a plurality of flywheels journalled to a stationary shaft located within a cylindrically-shaped drum that is directly coupled to the rollers of the dynamome... | 08/25/1987 |
| 4623320 | Flywheel controlled toy A moveable toy which includes a motor for producing motion. Associated with the motor is a motor controller for accelerating and deaccelerating the motor. A rotary element is driven by the motor. Associated with the rotary element is a flywheel which is c... | 11/18/1986 |
| 4346624 | Planetary speed change gearing A planetary speed change gearing for a power transmission system including a flywheel secured to a power transmission shaft of an engine, a flywheel housing enclosing the flywheel and an output shaft provided on the flywheel side and directly connected to... | 08/31/1982 |
| 4332163 | Cam box assembly A cam box assembly, especially for use with machines for testing fuel injection pumps, comprising a cam shaft in the assembly, drive transmission elements connected to the drive shaft, a first rotatable shaft having a drive connection with the transmissio... | 06/01/1982 |
| 4281560 | Speed reducer gear box with flywheel A speed reducer gear box comprising input, intermediate and output shafts rotatably mounted in a gear case. A hydraulic motor or the like is connected to the input shaft and is adapted to rotate the same. The intermediate shaft has a helical gear mounted ... | 08/04/1981 |
| 4254668 | Engine flywheel and interconnecting drive shaft A symmetrical splined drive shaft interconnects a specially configured socketed flywheel with the drive train of a vehicle. The socketed flywheel is formed to receive a retaining ring so that when a portion of the flywheel housing and the drive train are ... | 03/10/1981 |
| 4176563 | Inertial energy storage rotor with tension-balanced catenary spokes A high-speed inertial energy storage rotor having improved spoke elements which connect a fiber-reinforced composite ring to a central hub. The spokes are tension-balanced by the addition of loading weights to their outer ends. These weights increase the ... | 12/04/1979 |
| 3949556 | Modular engine assembly A modular engine assembly incorporating a "floating" flywheel coupled to a primary engine. An auxiliary engine selectively engages the flywheel via an automatic clutch which is responsive to a torque sensor mounted on the transmission drive shaft, to prov... | 04/13/1976 |
| 3937103 | Flywheel arrangement for an electrical machine A flywheel arrangement for an electrical machine having a shaft includes a flywheel and a flange-like structure on the shaft for defining a seating surface to accommodate the flywheel. Passages are formed in the structure for directing oil under pressure ... | 02/10/1976 |
