Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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 |
| 6722480 | Magnetically actuated motion control device A magnetically actuated motion control device includes a housing defining a cavity and including a slot therethrough. A movable member is located within the cavity and is movable relative to the housing. A magnetic field generator located on either the housing or th... | 04/20/2004 |
| 6520493 | Lift support strut with directional damping A lift strut with directional damping comprising a housing comprising a wall that defines a housing chamber, the housing defining an axis; spring means located in the chamber; piston means movable through the chamber along the axis in a first direction an... | 02/18/2003 |
| 6513799 | Automatic calibration method for a suspended seat system A method for automatically calibrating a seat suspension system. The method comprises the steps of sensing a current seat position; updating the value of a first current endstop to equal the current seat position if the seat position value is greater than... | 02/04/2003 |
| 6481894 | Pitch bearing A bearing that includes a first bearing support member; a second bearing support member spaced from the first bearing support member, the first and second bearing support members each having a first end and a second end; and a resilient member between the... | 11/19/2002 |
| 6471198 | Vibration isolator A vibration isolation device comprising a housing with a housing wall that defines a housing chamber, a first spring pack, a second spring pack, and a surface effect damper located between the first and second spring packs. The first and second spring pac... | 10/29/2002 |
| 6467723 | Active vibration control system for helicopter with improved actustor placement An aircraft has a fuselage that defines an interior cabin and an exterior; a first housing located along one side of the fuselage exterior; a second housing located along the second side of the fuselage exterior; and an active vibration control system for... | 10/22/2002 |
| 6450474 | X-configuration engine mounting with locking end plates A mount for isolating a vibrating member from its support. In several embodiments an elastomeric element is made up of four components that are preferably bonded to the inclined outer surface of an inner member and the inclined inner surface of an outer m... | 09/17/2002 |
| 6439024 | Tool and method for reorienting a hem flange A tool for reorienting a flange member from a first angle of orientation to a second angle of orientation. The tool comprises a support member which includes a guide member; and the tool also comprises a shoe supported by the support member, the shoe comp... | 08/27/2002 |
| 6427813 | Magnetorheological fluid devices exhibiting settling stability A magnetorheological (MR) device (20) including settling stability. The MR fluid device (20) includes a housing (22) including a hollow (30), a moving element (26) contained within the hollow (30), the housing (26) and moving element (26) cooperating to f... | 08/06/2002 |
| 6424894 | Method for limiting endstop collisions in semi-active seat suspension systems A method for limiting endstop collisions when non-typical inputs are experienced and also when the seat is leveled at a position above or below the normal leveling zone limits. According to the method of the invention a temporary or transient control meth... | 07/23/2002 |
| 6394239 | Controllable medium device and apparatus utilizing same A controllable medium device for resisting movement (rotary, linear, or sliding) between two relatively moveable members includes a first member and a second member coupled for relative movement having a working space between them, and a controllable medi... | 05/28/2002 |
| 6382604 | Method for adjusting the gain applied to a seat suspension control signal In a seat suspension system, a method for adjusting the gain applied to a control signal to accommodate for large variations in rider weight and input severity and thereby provide rider comfort over a wider range of conditions than is possible with fixed ... | 05/07/2002 |
| 6378671 | Magnetically actuated motion control device A magnetically actuated motion control device includes a housing defining a cavity and including a slot therethrough. A movable member is located within the cavity and is movable relative to the housing. A magnetic field generator located on either the ho... | 04/30/2002 |
| 6373465 | Magnetically-controllable, semi-active haptic interface system and apparatus A haptic interface system or force feedback system having a magnetically-controllable device that provides resistance forces opposing movement. The magnetically-controllable device is adapted for use with a force feedback computer system to provide force ... | 04/16/2002 |
| 6347588 | Lateral control mount A mount for use in the suspension system of a railway that truck limits the relative lateral movement between a side frame member and a bearing adapter. In one embodiment, the mount includes a rigid material layer having at least four sections laterally a... | 02/19/2002 |
| 6339419 | Magnetically-controllable, semi-active haptic interface system and apparatus A haptic interface system or force feedback system having a magnetically-controllable device that provides resistance forces opposing movement. The magnetically-controllable device is adapted for use with a force feedback computer system to provide force ... | 01/15/2002 |
| 6308813 | Fluid controlled interlock mechanism and method An interlock mechanism is provided which includes a controllable fluid within a hydraulic link. The controllable fluid, preferably comprising a magnetorheological fluid, is disposed within the interlock mechanism. The viscosity of the fluid can be changed... | 10/30/2001 |
| 6311110 | Adaptive off-state control method An Adaptive Off-state (AO) control method (55) for use in conjunction with a suspension system (10) including a controllable damper (22) interconnecting relatively moveable members (12, 14) to reduce the transmission of vibrational forces therebetween. Su... | 10/30/2001 |
| 6302249 | Linear-acting controllable pneumatic actuator and motion control apparatus including a field responsive medium and control method therefor A controllable pneumatic apparatus including a pneumatic actuator coupled with a linear-acting brake including a field responsive medium. The pneumatic actuator has a housing with a gas cavity, a first piston slidably disposed in the gas cavity subdividin... | 10/16/2001 |
| 6217011 | Fluid mount including a partitionless compensator A fluid mounting (20) for isolating or damping vibration between a vibrating member (21) and a structure (23). In one aspect, the fluid mounting (20) includes inner (22) and outer (24) members, a flexible element (26), first (28) and second (30) operating... | 04/17/2001 |
| 6213724 | Method for detecting the occurrence of surge in a centrifugal compressor by detecting the change in the mass flow rate A method for controlling working fluid surge in a centrifugal compressor. According to the method, surge detection is accomplished by calculating the change in the compressible fluid mass flow rate that accompanies surge in a compressor, the compressor ha... | 04/10/2001 |
| 6158794 | Transport temperature control unit with removable panel A transport temperature control unit for a vehicle, the temperature control unit including a frame having a first rail member which defines a guide channel; and an access panel having a top access panel edge movable between a first position where the top ... | 12/12/2000 |
| 6095427 | Temperature control system and method for efficiently obtaining and maintaining the temperature in a conditioned space A method for efficiently maintaining the temperature of fluid in a conditioned space at a predetermined set point temperature, the method comprising the steps of: (a) operating the temperature control system in a first operating mode; (b) sensing the temp... | 08/01/2000 |
| 6089650 | Sound attenuating enclosure for a machine A sound attenuating enclosure for a portable machine includes a lower body having an inner skin and an outer skin spaced apart from the inner skin. The lower body is adapted for having the portable machine mounted therein and also includes one or more whe... | 07/18/2000 |
| 6086347 | Two-stage rotary vane motor A two-stage rotary vane motor is provided that is particularly efficient for use in cryogenic refrigeration systems where the mass flow rate of the drive fluid (which may be expanding cryogen gas) varies substantially. The two-stage rotary vane motor incl... | 07/11/2000 |
| 6082809 | Enclosure for a portable machine An enclosure for a portable machine includes a lower body having two or more wheels rotatably mounted thereto, the lower body including an interior region adapted for receiving the portable machine. The enclosure includes an upper body overlying the lower... | 07/04/2000 |
| 6082971 | Compressor control system and method A method for optimizing the operating efficiency of a compressor having a compression module for compressing a fluid, the compression module including an inlet for receiving the fluid and an outlet for discharging compressed fluid, the compressor includin... | 07/04/2000 |
| 6077052 | Fluid compressor aftercooler temperature control system and method A system and method for controlling the temperature of the compressed fluid flowing through a compressor aftercooler. The system includes a compression module flow connected to an aftercooler and at least one repositionable fluid flow regulating member up... | 06/20/2000 |
| 6062030 | Hybrid temperature control system A hybrid temperature control system for controlling the temperature of the air in a conditioned space, and including a mechanical temperature control unit having primary evaporator means for reducing the temperature of conditioned space air, the first eva... | 05/16/2000 |
| 6053563 | Enclosure having integrally molded protrusions for securing system components An enclosure for holding a machine includes a lower body made of polymer materials, such as polyolafins and/or nylon. The lower body includes an interior region having a surface with one or more features integrally molded therein and an upper body overlyi... | 04/25/2000 |
| 6048376 | Combination baffle and filter element system for removing oil from an oil/gas mixture A separator tank for removing oil from a gas/oil mixture includes a lower chamber for collecting the oil removed from the gas/oil mixture, an intermediate chamber overlying the lower chamber and an upper chamber overlying the intermediate chamber. The sep... | 04/11/2000 |
| 6039547 | Compressor with compressor base that includes fluid supply openings A compressor that includes a base; a housing supported on said base, said housing and base defining a compression chamber; and a compression module supported on said base within said compression chamber, said base including at least two support channels, ... | 03/21/2000 |
| 6039534 | Inlet guide vane assembly An inlet guide vane assembly for a centrifugal compressor includes a guide vane housing having an inlet side for receiving a fluid passing through the compressor at a first flow angle, an outlet side remote from the inlet side and a central axis extending... | 03/21/2000 |
| 6037864 | Method for continuously determining the oil change interval for an internal combustion engine A method for determining the oil change interval for an internal combustion engine for driving a refrigerant compressor. The method includes the steps of sensing if the engine is being operated at high speed; incrementing the high speed counter during hou... | 03/14/2000 |
| 6030305 | Semi-automatic tensioner for a belt drive system A belt tensioning device includes a first element having a threaded opening and a first pulley supported on the first element. The device further includes a second element having an opening in substantial alignment with the threaded opening of the first e... | 02/29/2000 |
| 6027320 | Fluid compressor with movable hose reel assembly A fluid compressor comprising a compression module for producing a compressed fluid, said compression module being enclosed in a compressor housing having a first side; and a hose reel assembly movably attached to the compressor housing, the hose reel ass... | 02/22/2000 |
| 6017083 | Enclosure having a resilient cover An enclosure has an outer surface and an inner surface and an opening extending between the outer and inner surfaces. The outer surface of the enclosure includes a curved region surrounding the opening; the curved region having a radius. The enclosure inc... | 01/25/2000 |
| 6004112 | Belt driven fluid compressor with self-adjusting belt tensioning device A compressor including a prime mover having an output element which supplies a motive force produced by the prime mover; a compression module having an input element; a tensioned belt connecting the prime mover output element and the compression module in... | 12/21/1999 |
| 5996733 | Dual frequency side branch resonator A side branch resonator for attenuating sound waves of first and second frequencies, the side branch resonator comprising a discharge branch; a resonator branch; an inlet branch flow connected to the discharge branch having an axis, the resonator branch h... | 12/07/1999 |
| 5997242 | Hydraulic turbine An hydraulic turbine includes a rotatable turbine runner. The turbine runner has a circumferential inlet for receiving a fluid and an axial outlet for discharging the fluid. The turbine runner also includes a conical-shaped hub rotatable about a central a... | 12/07/1999 |
