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473 results about "Setter" patented technology

The setter is a type of gundog used most often for hunting game such as quail, pheasant, and grouse. In the UK, the four setter breeds, together with the pointers, usually form a subgroup within the gundog group as they share a common function. However, the setter breeds each have subtle differences in head, bone and substance.

Device for suppressing vibration of rolling mill

The invention belongs to the field of signal detection and automation control of rolling mills, and relates to a device for suppressing vibration of a rolling mill. The device for suppressing the vibration of the rolling mill is characterized by comprising a rolling mill vibration signal source, a vibration suppression signal generator, a vibration suppression actuating unit and the rolling mill, wherein the rolling mill vibration signal source is composed of rolling mill torsion vibration signals, rolling speed signals, rolling mill vertical vibration signals and rolling pressure signals, the vibration suppression signal generator is composed of a signal input module, a filter processing module, a phase recognition module, a vibration suppression signal module and a signal output module, and the vibration suppression actuating unit is composed of a main drive speed setter and a hydraulic roll gap setter. The device for suppressing the vibration of the rolling mill has the advantages that vibration suppression damping signals are generated by the vibration suppression signal generator according to the rolling mill vibration signal source and sent to the main drive speed setter and the hydraulic roll gap setter of the vibration suppression actuating unit so as to participate in control of the rolling mill to reduce the vibration energy of the rolling mill, so that the rolling mill can be prevented from vibrating severely, chatter marks on a roller and the surfaces of strips are eliminated, and therefore the surface quality of products is improved, and the on-line service life of the roller is prolonged.
Owner:UNIV OF SCI & TECH BEIJING

Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft

A cam shaft phase setter including a control valve for controlling the feeding and draining of a hydraulic fluid into and out of a pressure chamber which serves to adjust the rotational angular position of a cam shaft relative to a crankshaft of an internal combustion engine. The control valve includes a valve housing with an operating port to the pressure chamber and a reservoir port to a reservoir for the fluid. A valve piston is axially adjustable back and forth in the valve housing between a first position and a second position and includes an axial hollow space, a piston inlet for introducing the fluid into the hollow space, and a piston outlet which leads out of the hollow space and is connected to the operating port in the first position of the valve piston and separated from the operating port in the second position of the valve piston. An actuating unit is coupled to the valve piston for axially adjusting the valve piston. A coupling member protrudes through an axially facing closure wall which closes off the valve housing and couples the actuating unit to the valve piston. The valve piston includes a radial widening which is surrounded by a complementarily widened housing portion of the valve housing and to which the fluid can be applied in an axial direction pointing away from the axially facing closure wall in order to generate an axial pressure force. The widening is dimensioned such that the fluid acts on the valve piston with a pressure force of at least substantially equal size in both axial directions, despite the coupling member.
Owner:SCHWABISCHE HUTTENWERKE AUTOMOTIVE CMBH

Distributed positioning device and method based on game method in wireless sensor network

The invention discloses a distributed positioning device and a distributed positioning method based on a game method in a wireless sensor network and belongs to the technical field of wireless sensor positioning. The distributed positioning device comprises a node state acquiring device, a measuring distance calculator, a neighbour node set establisher, an anchor node information filter, a position strategy space generator, a node position calculator, a threshold value setter, a comparator, a node converter and a node state broadcaster. According to the distributed positioning device and the distributed positioning method disclosed by the invention, only the communication and the negotiation with neighbour nodes are needed in the positioning process, so that the load overhead for positioning can be greatly reduced and energy consumption of the positioning process is reduced. Furthermore, a game strategy space is determined by negotiating with anchor neighbour nodes before the game starts; accurate positioning conditions are determined by using continuous accurate positioning times, and thus rapid convergence of a positioning algorithm can be accelerated; the accurate positions of sensor nodes can be quickly and effectively positioned, a good performance is also realized in high-density and few-node deployed environments and a better expansibility is obtained.
Owner:NORTHEASTERN UNIV
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