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| Number | Title | Issue Date |
| 7263878 | Method for identifying tire characteristics The present invention relates to a method of detecting growth of the dynamic tire circumference (circumferential growth or tire growth), wherein at least one reference value Ref is produced on the basis of wheel speed information, said reference value representing i... | 09/04/2007 |
| 7241115 | Methods and apparatus for determining the presence or absence of a fluid leak Embodiments of the present invention feature a method and apparatus for detecting defects, such as, leaks, component failure and adverse performance. One embodiment of the present apparatus for pumping fluid comprises a pumping chamber having an inlet and an outlet ... | 07/10/2007 |
| 6965306 | Tire condition monitoring apparatus A transmitter, which is operated by a battery, wirelessly transmits data including data that represents the temperature T in a tire and data that represents the voltage V of the battery. A receiver judges whether or not the life of the battery is ending depending on... | 11/15/2005 |
| 6938478 | Impedance level meter for liquids in tanks A method and a system for detecting the level of fluid in a container is provided: The level meter includes first, second and third generally parallel probes being positioned within the container. The first probe includes a first portion that is at least partially c... | 09/06/2005 |
| 6911902 | Pneumatically actuated mounting apparatus and method for a tire inflation gas parameter monitoring system A tire inflation gas telemetry system (30) is installed inside a tire (174) mounted to a wheel (170) and is placed within a protective housing (100) having pneumatic cylinders (116, 126) with piston rods (128, 130) that are ... | 06/28/2005 |
| 6718818 | Method of sensing air leaks in tires and tire testing machines The present invention relates to a method and system for detecting air leaks in tires and in a tire testing machine. Each of the tires is mounted on the tire testing machine; inflated with an air flow from an inflation system to a first pressure; and maintained at t... | 04/13/2004 |
| 6522980 | Method and algorithm for predicting leak rates A method and algorithm for predicting the fluid loss rate of a system, uses data for the leak rate from the system for a substitute fluid that leaks at a different rate than the system fluid. In the illustrated embodiment, the system is a pneumatic tire a... | 02/18/2003 |
| 6401524 | Method of detecting steam expansion vessel leakage Leaks in a steam expansion vessel, such as a flexible curing bladder, may be detected during a high temperature curing cycle by using a humidity sensor in an article curing and leak checking apparatus. The effectiveness of the humidity sensor may be enhan... | 06/11/2002 |
| 6330821 | Method of detecting expansion vessel leakage A method for detecting leakage of an expansion vessel 14 that, in an inflated form, occupies or has occupied at least a portion of a cavity 24 of an elastomeric article. The method includes the step of adding a tracer gas to a pressurized fluid. The metho... | 12/18/2001 |
| 6330822 | Tire testing apparatus and method A tire testing apparatus and method for detecting leaks in tires used on lawn mowers. The tire testing apparatus includes a vacuum chamber, a roughing pump, a hi-vac pump, an airtight seal, and a spectrometer. The roughing pump and hi-vac pump evacuate th... | 12/18/2001 |
| 5798696 | Tire puncture locator Apparatus for detecting leaks in pneumatic tires includes a source of pressurized carbon dioxide gas that is used to partially re-inflate the flat tire, so that a strong concentration of carbon dioxide gas will be present in any gas that leaks out of the ... | 08/25/1998 |
| 5767398 | Tire leak detector for an automatic inflation system An improvement in an air inflation system for a vehicle of an improved sensor for detecting an air leak including an air flow restriction positioned in the air connection between the air supply and the tires and an air actuated differential pressure switc... | 06/16/1998 |
| 5327346 | Automatic control for central tire inflation system A central tire inflation system for controlling the tire inflation pressure of a driven wheeled vehicle includes a compressed air source connected through a conduit system with the vehicle tires, a controllable valve system connected in the conduit system... | 07/05/1994 |
| 5170658 | Bicycle tire leak detector apparatus The present invention relates to a portable bicycle tire leak detector apparatus which is adapted to be attachable to a bicycle frame or conventional bicycle tire pump. The apparatus generally comprises a water bottle having a trough member releasably mou... | 12/15/1992 |
| 5018381 | Apparatus for checking air leaks in vehicle tire rims A device for the testing of air leaks in a vehicle rim or the like includes a water tank having a predetermined volume of water in the bottom thereof, a mounting and bearings for holding the rim and permitting it to be rotated, a pair of separated pressur... | 05/28/1991 |
| 5000335 | Cylindrical storage tank with vapor purging means An underground storage tank for fluids such as gasoline or chemicals is provided with L-shaped piping means for venting vapor pockets that would normally be trapped inside an inclined tank. The tank has a generally cylindrical top surface with one or two ... | 03/19/1991 |
| 4969350 | Method of inspecting tires for defects A method of inspecting a tire for defects by applying to an interior surface of a tire a coating of material which accentuates defects when influenced by predetermined electromagnetic wavelengths, and applying the predetermined electromagnetic wavelengths... | 11/13/1990 |
| 4938056 | Determining the air permeability of a tire Determining the rate of change of fluid pressure in a tire comprises mounting the tire in an inflated condition. A tire pressure sensor senses fluid pressure in the tire and generates an electrical signal in proportion to the fluid pressure sensed in the ... | 07/03/1990 |
| 4918976 | Method of inspecting tires for defects A method of inspecting a tire for defects by applying to an interior surface of a tire a coating of material which accentuates defects when influenced by predetermined electromagnetic wavelengths, road-running the tire to thereby create tread wear, buffin... | 04/24/1990 |
| 4860579 | Tire leakage detection method for central tire inflation system A method for sensing and reacting to conditions indicative of leakage in a tire (16 or 18), the pressurization of which is measured and controlled by a CTIS (10).... | 08/29/1989 |
| 4693118 | Pneumatic tire leak detector An apparatus for detecting the location of a leak in a pneumatic tire. A leaking tire is filled with a suspension which is capable of flowing through a leak of the tire and staining the perimeter of the leak at the outside surface of the tire. The suspens... | 09/15/1987 |
| 4318436 | Tire sidewall addition members that undergo perceptible change during abnormal operation In the combination of detachable addition members with rubber articles, particularly tire sidewalls, wherein each article has a circumferentially discontinuous first coupling portion adapted to operatively interact with a second coupling portion on the ad... | 03/09/1982 |
