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572results about How to "Increase available space" patented technology

Pipe having replaceable wear resistant lined coupler

InactiveUS6467812B1Rapid and cost-effective formationQuick inexpensive replacementFlanged jointsThermal insulationWear resistantEngineering
A pipe section for concrete includes an end coupler interconnecting to another pipe section in a flow line. The coupler has an outer clamp secured extended from the pipe end with a coupling groove. An encircling clamp has sides located in the grooves of adjacent pipe sections to lock the pipe section together. The body and pipe end form an inner recess extending from the pipe end. An insert liner has a tubular portion matching the recess, with the outer surface of the tubular portion tapered to form a gap within the recess. The insert liner has an outer flange matching the outer diameter of the body and abuts the body. The inner wall of the liner has a central transition point from which the wall tapers inwardly in opposite directions to the outer end. The body member is formed of a high strength ductile steel. The insert liner is formed of a wear resistant material having a Rockwell hardness of 80 to 90. A carbide alloy consisting essentially of carbides, martensite, bainite and austenite, and 12-15% chromium, 2-3% carbon and traces nickel, molybdenum and austenite. A toughened ceramic is disclosed. The liner is adhesively bonded to the body using an epoxy adhesive which is responsive to heat for release of the liner. The liner is inserted by applying adhesive on the tubular portion and then pushing the liner into the recess.
Owner:CONSTR FORMS

Non-pneumatic wheel and wheel, suspension and tire used therein

InactiveUS20110248554A1Prevent tire blowoutReduce vehicle accidentRimsLeaf springsCornering forceBrake fade
Provided is a non-pneumatic wheel (100) for a vehicle, and a wheel (100), suspension (200; 200-1), and tire (300) used therein that are capable of ensuring driving stability because there is no air chamber between a wheel (100) and a tire (300) to blowout. They are also capable of ensuring good road holding, preventing standing waves, reducing brake fade and cornering force, providing good handling and ride comfort, staying quiet when rolling, and are economical and environmentally friendly. The non-pneumatic wheel (100) includes a wheel (100), a shock absorbing member (220; 220-1) coupled to an outer periphery of the wheel (100) and absorbing or attenuating noise and vibration due to external shock, a plurality of resilient members (230; 230-1; 230-2) arranged around and coupled to an outer periphery of the shock absorbing member (220; 220-1) in a radial direction and having a plurality of resilient rings (230-1a) that are resiliently deformed in response to an external force, resilient links (240) respectively coupled to the resilient rings (230-1a) to evenly transmit external shock to the resilient rings (230-1a), rail plates (270) to which sliders (261) formed at both ends of the resilient links (240) are slidably coupled, and a tire (300) having a plurality of coupling grooves (321) formed along an inner periphery such that the rail plates (270) are inserted into the coupling grooves (321).
Owner:CHON YOUNG ILL +4

Retractable shower expander assembly

A retractable shower expander assembly for a shower stall or tub enclosure having an access opening includes a shower expander rod, two expander ports and a tension rod. The shower expander rod is formed with right angles on each end and is selectively adjustable in the middle to fit various access opening widths. The retractable shower expander assembly, being portable, is held in place by means of an adjustable tension rod, that, when enjoined inside the cavities of the two expander ports, holds the retractable shower expander assembly horizontally and fixedly in use against the two end walls of a shower stall or tub enclosure at the top of the access opening. A shower curtain is attached to the shower expander rod by hooks or rings that can slide along the shower expander rod to selectively close or open the access opening of a shower stall or tub enclosure. When outwardly force is applied to the shower expander rod the two right-angle ends extend or telescope through the apertures in the center of the expander ports and move the shower expander rod with the attached shower curtain outwardly away from the access opening to provide the maximum amount of increased area inside the shower stall or tub enclosure. When inwardly force is applied to the shower expander rod the opposite retracting or telescoping effect moves the shower curtain toward the access opening and returns it to a straight hanging position within the shower stall or tub enclosure access opening to be more aesthetically pleasing and conserve space in the bathroom.
Owner:BATHURST DAVID B +1

Hollow column member with built-in high tensile steel bars and pipes for confinement of ultra high performance concrete

The invention provides a hollow column member with built-in high tensile steel bars and pipes for a confinement of ultra high performance concrete, especially being suitable for the field of pier column member of high rise, heavy load and longspan structures. The member comprises a reinforcement cage consisting of outer steel pipes, longitudinal high tensile steel bars and stirrups, and hollow ultra high performance concrete poured on the internal surface of the outer steel pipes wrapping the reinforcement cage. The invention fully utilizes the advantages of the ultra high performance concrete, the high tensile steel bars, and the hoop confinement of the outer steel pipes, effectively reduces the cross section of the member, improves the bearing capacity and stretch ability of the member, so that the member has good earthquake resistant behavior, the materials are saved and the available space is increased at the same time. According to the invention, prestress is not needed, the construction technology is simple, and the construction speed is improved. The member is suitable for the precasting production, is good for application of the two high tensile materials in projects, and meets the design concepts of energy saving, environmental protection and new style.
Owner:BEIJING UNIV OF TECH

Block-level continuous data protection method based on solid-state disc

The invention discloses a block-level continuous data protection method based on a solid-state disc. The block-level continuous data protection method based on the solid-state disc comprises the steps that an empty write request queue cache is built in the inner memory and used for storing write requests from a user in a buffering mode, and an inner memory space CDP_store is initialized in an FTL layer of solid-state disc and used for recording historical records CDP_entry of an FTL mapping chart, receiving the requests from the user and judging that the requests are read-write requests or recovery requests on data blocks. If the requests are the read-write requests on the data blocks, the inner memory space CDP_store judges that the requests are read requests or write requests, if the requests are write requests, whether the write request queue cache has residual cache space or not is judged, and if not, the content in the write request queue cache is written back onto the solid-state disc. The block-level continuous data protection method based on the solid-state disc combines the characteristics of the solid-state disc and utilizes the characteristics left by 'covered' historical data, generated in an internal 'non-local updating' process of the solid-state disc, in the solid-state disc, thereby achieving the function of continuous data protection based on SSD.
Owner:HUAZHONG UNIV OF SCI & TECH

Drive-by-wire differential steering system for wheel type independent drive vehicle and control method thereof

The invention relates to a drive-by-wire differential steering system for a wheel type independent drive vehicle, the system comprising: an information detection module for detecting various state information of the vehicle; a controller used for judging steering modes according to the various kinds of detected state information of the vehicle, including a steer-by-wire mode and a drive-by-wire differential steering mode, deciding target torque required by each motor, and sending corresponding motor control signals; and a steering execution module used for making a corresponding torque response according to the motor control signal so as to drive the steering mechanism to move and realize differential steering of the electric automobile. The invention further discloses a control method ofthe drive-by-wire differential steering system for the wheel type independent drive vehicle. The invention also provides a control method of the drive-by-wire differential steering system for a wheeltype independent drive vehicle. Front axle left and right wheel hub motors serve as steering power sources, so that steering mechanical connection, a steering power assisting device and the like are omitted, the structure of a steering system is simplified, the available space in a vehicle is increased, system integration is easier, and cost is reduced.
Owner:HEFEI UNIV OF TECH
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