摘要:
A rocker arm assembly which has an anti-inversion part that prevents a support pin from inverting and, thus, ensuring proper orientation of the support pin, on which a rocker arm is rotatably mounted, is maintained. The anti-inversion part can be incorporated on the support pin, the inner sleeve or the outer sleeve and/or a combination of the support pin, the inner sleeve and/or the outer sleeve.
摘要:
The rocker arm assembly has an anti-inversion part that prevents a support pin from inverting, ensuring proper orientation of the support pin, on which a rocker arm is rotatably mounted, is maintained. The anti-inversion part can be a washer, a plate, a plug, or a sleeve. The washer, which has a flat face and a curved face, is intended for use with a cylindrical support pin which matches the curved face of the washer. The plate can include various combinations of tabs, flanges, and/or protrusions that extend in different directions. The plug can resemble any desirable shape, and is removed prior to final assembly. The sleeve can be hollow and is removable.
摘要:
Durable, impact-resistant structural coatings with dewetting and anti-icing properties are disclosed. The coatings possess a self-similar structure with two feature sizes that are tuned to affect the wetting of water and freezing of water on the surface. Dewetting and anti-icing performance is simultaneously achieved in a structural coating comprising multiple layers, with each layer including (a) a continuous matrix; (b) porous voids, dispersed within the matrix, to inhibit wetting of water; and (c) nanoparticles, on pore surfaces, that inhibit heterogeneous nucleation of water. These structural coatings utilize low-cost and lightweight materials that can be rapidly sprayed over large areas. If the surface is damaged during use, fresh material will expose a coating surface that is identical to that which was removed, for extended lifetime.
摘要:
A rotating panel display includes a rotating panel element, a base structure that is connected to the rotating panel element, and a control system for rotational control of the rotating panel element. The rotating panel element includes a frame having at least one display side, an internal light source, and at least one transparent display surface on the display side. The frame rotates about an axis of the rotating panel element. The control system includes a position indicator system to provide position information to control the distance of rotation of the frame. The position indicator system includes fixed structures positioned internally in the frame which do not rotate with the frame and frame structures connected to the frame which rotate with the frame. The fixed structures and frame structures periodically interacting with one another as the frame rotates to cause position information to be communicated to the control system.