摘要:
A high speed DC brushless motor in which the stator is toroidal and the stator core does not include winding slots. In the preferred embodiment the core material for the stator is an amorphous metal alloy which provides high speed motor efficiency. For some applications core materials like ferrite or low silicon-alloys can be used. According to one embodiment of the invention a ferrite shielding ring can be added surrounding the motor to further improve high speed efficiency.
摘要:
An athletic paddle training apparatus 10 includes an elongate handle portion 20, a coupling region 30 at a distal end 22 of the paddle portion, and a game play head 40 operatively coupled with the handle portion 20 at the coupling region 30. The elongate handle portion is configured to be gripped by an associated user. The game play head 40 has first 46 and second 48 game play regions on opposite first 42 and second 44 sides thereof. The first game play region 46 defines a substantially planar first game play surface 56 on the first side 42 and the second game play region 48 defines a substantially spherical second game play surface 58 on the second side 44 of the game play head 40. In an example embodiment, the second game play surface 58 has a likeness of a #5 soccer ball.
摘要:
A printing blanket cylinder assembly (14', 16') with an exposed edge (60) at the end of an inwardly turned mounting member (30M, 34M) protectively enclosed within a mounting slot (32) within a blanket cylinder (16) while an outer layer (40) of the blanket (34) is protectively wrapped around a leading edge (30D) of a metal backing plate (30) to both protect intermediate layers (44, 48) of the blanket (34) and the bonds therebetween from the deleterious effects of dampening liquid while concurrently providing a gap (56) of preselected size to achieve a stress-free boundary for the blanket (34) on opposite sides of the gap (56) for optimal vibration reduction.
摘要:
An infrared receiver for detecting a communications signal during a fixed reception period in a high noise environment that includes a sensor having a cooled detector mounted upon a substrate upon the end of a cold well tube that further includes a cooling gas tube having a fixed orifice to emit a cooling gas upon the interior surface of the substrate. The receiver further includes a signal processor that receives the detector signals and determines if the detector signals include prdetermined signal characteristics of the communications signal.
摘要:
An athletic paddle training apparatus 10 includes an elongate handle portion 20, a coupling region 30 at a distal end 22 of the paddle portion, and a game play head 40 operatively coupled with the handle portion 20 at the coupling region 30. The elongate handle portion is configured to be gripped by an associated user. The game play head 40 has first 46 and second 48 game play regions on opposite first 42 and second 44 sides thereof. The first game play region 46 defines a substantially planar first game play surface 56 on the first side 42 and the second game play region 48 defines a substantially spherical second game play surface 58 on the second side 44 of the game play head 40. In an example embodiment, the second game play surface 58 has a likeness of a #5 soccer ball.
摘要:
The invention is directed to a seat-bed assembly movable between a seat position and a bed position, and including a seat support, a back support, and a frame having a horizontal support member. A plurality of links, including a first link and a second link, interconnect the seat support and the back support with the frame. The links support the seat support and the back support for movement between the seat position and the bed position. Each of the first link and the second link have one end thereof with an opening therein. The horizontal support member has an upper surface and includes two side plates. An elongated opening extends downwardly from the upper surface. Each side plate has a first guide channel associated with the first link and a second guide channel associated with the second link. A first pin extends through the first link opening and each first guide channel, and a second pin extends through the second link opening and each second guide channel.
摘要:
An alternator for use in a brushless DC tachometer which produces are output voltage with a trapezoidal waveshape. The alternator includes a three phase toroidal winding on a plotless core. The windings are concentrated rather than being distributed. The rotor includes high intensity permanent magnets configured to provide uniform flux density over a large segment at least equal to a commutation increment.
摘要:
The invention resides in permanent magnet rotors and methods for assembling the same. In one embodiment, one of more arcuate magnetic elements are disposed around a cylindrical rotor core. In turn, a hollow retaining shell is slip-fit around the magnetic element or elements. Spring biasing members are inserted into longitudinal channels defined by grooves in the core and corresponding grooves or chamfers on the one or more magnetic elements. The spring biasing members prevent relative movement between the core, the magnetic element(s), and the retaining shell. Annular end plates are secured to the ends of the core to seal off the interior of the device. In another embodiment, relative movement between the core, magnetic element(s), and retaining shell is prevented by applying adhesive between those parts.
摘要:
A printing blanket cylinder assembly (14',16') with an exposed edge (60) at the end of an inwardly turned mounting member (30M, 34M) protectively enclosed within a mounting slot (32) within a blanket cylinder (16) while an outer layer (40) of the blanket (34) is protectively wrapped around a leading edge (30D) of a metal backing plate (30) to both protect intermediate layers (44, 48) of the blanket (34) and the bonds therebetween from the deleterious effects of dampening liquid while concurrently providing a gap (56) of preselected size to achieve a stress-free boundary for the blanket (34) on opposite sides of the gap (56) for optimal vibration reduction. An ejector mechanism (70) is mounted to the cylinder (16) for pushing the mounting member (30M, 34M) out of the slot (32) during removal of the blanket (34) from around the cylinder (16). The ejector mechanism (70) includes a rotatable adjustment member (74) located outside of the mounting slot (32) and linked with an ejector blade (62) for causing it to move within the mounting slot (32).