39results about How to "Premature wear" patented technology

A golf ball has a substantially spherical outer surface comprised of a plurality of non-circular dimples. The dimples are formed by a plurality of lobes extending from a central hub, wherein each lobe is defined by a curved outer segment. The curved outer segments form at least a portion of the perimeter of the dimple. The dimples are comprised of at least four lobes. The dimples can also be comprised of a plurality of radiating arms emanating from a location proximate the hub of the dimple.

A poppet valve for a compressor, a piston compressor including such a poppet valve, and a repair kit for a poppet valve. The poppet valve has a cage, a valve seat and a plurality of closing elements, wherein the cage has a plurality of axial bores open towards the valve seat.

The present invention corrects sash sag in casement windows by implementing an adjustable hinge. The adjustable hinge includes a sash arm, a support arm, a retaining clip and an adjustment mechanism. The adjustment mechanism serves a twofold purpose. First, it allows one to adjust the hinge for sash sag, and it also secures the support arm to the track of the adjustment hinge. The adjustment mechanism includes a threaded support post and a threaded member. The threaded support post has a circumferential groove which is used to receive the arms of a retaining clip. The sash arm is mounted to the track of the adjustable hinge via a shoe block. The sash arm has a protrusion located on its bottom surface. The protrusion serves as a movement restrictor.

A method and an arrangement are disclosed for balancing load between parallel connected inverter modules, which inverter modules are arranged to supply a common load. The method can include providing similar switching instructions for parallel connected inverter modules, determining on the basis of phase currents of each parallel inverter module a first time period for each output phase of each inverter module for correcting current imbalance by advancing or delaying turn-on or turn-off time instants of switch components of the inverter modules, and advancing or delaying the turn-on or turn-off time instants of the switching instructions based on the first time period. The method also can include determining temperatures of each output phase of each inverter module, modifying the switching instructions for one or more of the parallel inverter modules for controlling the temperatures of the output phases, and controlling the inverter modules with a switching instruction in which the turn-on or turn-off times have been advanced or delayed in respect of one or more parallel modules and further modified in respect of one or more inverter modules.

The present invention is directed to a desuperheater spraying valve assembly. More particularly, the invention provides a new and improved valve assembly, whereby cooling liquid may be controllably injected into a gas or a liquid stream, typically steam, to selectively maintain the gas or liquid at a predetermined temperature level. In a possible embodiment of the present invention, a class V valve assembly is disclosed. It comprises an actuator coupled to a plug with a valve seat in the proximity of said plug. The plug is affixed to an actuator rod which transverses the body of the valve assembly. A spray tube may be affixed to said valve seat and at least one spray nozzle is affixed to a to the spray tube. The plug and said valve seat are conical in shape as to when said plug is inserted into said valve, they form a seal.

A braking device of at least one rotary shaft (S) extending along an axis X includes an actuation unit (I) comprising at least one winding (B), two friction discs (D1, D2), an end flange (F1), an intermediate flange mounted between the two friction discs (D1, D2), and two magnetic armatures (A1, A2) biased by two series of springs (R1, R2). The magnetic armatures (A1, A2) are arranged in series along the longitudinal axis X, with each of the series of springs (R1, R2) respectively biasing a magnetic armature (A1, A2). A series of springs (R2) passes through the thickness of one of the two magnetic armatures (A1) in order to bias the other magnetic armature (A2).

The present invention corrects sash sag in casement windows by implementing an adjustable hinge. The adjustable hinge includes a sash arm, a support arm, a retaining clip and an adjustment mechanism. The adjustment mechanism serves a twofold purpose. First, it allows one to adjust the hinge for sash sag, and it also secures the support arm to the track of the adjustment hinge. The adjustment mechanism includes a threaded support post and a threaded member. The threaded support post has a circumferential groove which is used to receive the arms of a retaining clip. The sash arm is mounted to the track of the adjustable hinge via a shoe block. The sash arm has a protrusion located on its bottom surface. The protrusion serves as a movement restrictor.

A two-stroke reciprocating piston engine. The engine principally consists of an expansion cylinder and a compression cylinder, and an expansion chamber and a combustion chamber. When pistons of the expansion cylinder and compression cylinder move from a bottom dead center to a top dead center, gas in the expansion cylinder is compressed in the expansion chamber, gas in the compression cylinder is compressed in the combustion chamber, a water spray nozzle sprays water towards the high temperature and high pressure gas in the expansion chamber, and when the water encounters the high temperature and high pressure gas, the water is rapidly vaporized. At the same time, an oil spray nozzle sprays a fuel into the combustion chamber, a spark from a spark plug ignites the combustible gas of the combustion chamber, the high temperature and high pressure gas produced by the combustion pushes open a valve of the combustion chamber.