| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 181233000 | Liquid motion silencer | 11 |
| 20090065295 | DESUPERHEATER MUFFLER - A liner system for a steam outlet pipe of a turbine bypass system comprises a liner mounted in spaced coaxial relation to the inner pipe wall such that an annular cavity is defined between the liner and the steam outlet pipe. The cavity is open on an upstream end and closed on a downstream end such that a quarter-wavelength resonator is formed for attenuating noise associated with a flow of superheated steam passing through the steam pipe. The liner may include a plurality of perforations to further attenuate noise in the steam outlet pipe. The open upstream end and closed downstream end of the cavity increases pressure within the cavity to prevent cooling water from entering the perforations and contacting the inner pipe wall. A wire mesh disposed against the outer liner wall may block cooling water penetration through the perforations and may further attenuate noise associated with the flow of superheated steam. | 03-12-2009 |
| 20090200104 | DEVICE AND METHOD FOR ATTENUATING ENERGY ALONG A CONDUIT - A device for attenuating energy along a conduit, comprising a first member having an essentially semi-cylindrical outer surface and a first cavity extending substantially longitudinally from end to end. A second member having an essentially semi-cylindrical outer surface is provided, with the outer radii of the first and second members being the same. The second member also has a longitudinally extending cavity. When the two members are secured to one another to form the device, the two cavities face one another to form a bore that extends from end to end and has respective opposed tapered portions having a circular cross-sectional configuration that decreases in diameter inwardly. The bore also has a central, cylindrical portion disposed between the tapered portions and having an axial length that is no greater than one third of the overall axial length of the device. | 08-13-2009 |
| 20100133038 | ATTENUATION DEVICE,PARTICULARLY PULSATION ATTENUTOR - The invention relates to an attenuation device, particularly a pulsation attenuator, having a casing ( | 06-03-2010 |
| 20100187038 | FLUID-CARRYING CONDUIT AND METHOD WITH NOISE ATTENUATION - A device or system through which fluid is adapted to flow, such as, for example, a fluid-carrying conduit, flow control valve, or fluid expansion device including, for example, a steam turbine or fluid expander, according to which acoustic energy is generated by, or present within, the device or system and the acoustic energy is attenuated. | 07-29-2010 |
| 20100224440 | Sound-Absorbing Device and its Mounting Method - The degree of freedom of a sound-absorbing device in terms of size is increased, maintaining easy mounting operation of the sound-absorbing device, even if the sound-absorbing device has a greater length. | 09-09-2010 |
| 20120006616 | FITTING SYSTEM FOR A HYDRAULIC TUNING CABLE - A tuning tube that can be easily changed out without destroying the hydraulic hose assembly in which it is located where the tuning tube is retained on the sleeve section of a secondary fitting and the secondary fitting has a collar section that is held in a receiving bore formed in an inlet cavity. The connector is connected at an inlet end to a hydraulic system component such as a pump and is connected at an outlet end to a hydraulic hose. The tuning tube extends into the hydraulic hose from the secondary fitting and the connector. | 01-12-2012 |
| 20130056300 | Apparatus and Methods to Reduce Downspout Noise - In one embodiment, the present invention includes an apparatus to reduce downspout noise. The apparatus includes a first and second portion. The first portion has a first diverting angle relative to the water flowing through the downspout. The second portion is coupled to the first portion and has a second diverting angle relative to the water flow. The second angle is greater than the first angle, thereby providing incremental diversion of the water flow. At least a portion of the surfaces may also include a surface detail to provide micro-diversions of the water flow. The diversions of the water may reduce the impact of the water flow and reduce downspout noise. | 03-07-2013 |
| 20130175114 | HYBRID SILENCER WITH GAS-LIQUID SEPARATING FUNCTION IN FUEL CELL SYSTEM - A hybrid silencer in a fuel cell system includes an expansion chamber connected to a predetermined apparatus of the fuel cell system, where the expansion chamber reduces acoustic noise of a fluid discharged from the predetermined apparatus, a water-absorber disposed inside the expansion chamber, where the water-absorber absorbs a liquid component of a fluid which flows into the expansion chamber; and a perforated silencer which discharges the fluid from which the liquid component is removed by the water-absorber while reducing acoustic noise of the fluid discharged therefrom. | 07-11-2013 |
| 20140196979 | Pulsation Damper - A pulsation damper ( | 07-17-2014 |
| 20160201836 | ENHANCED FLUID ATTENUATORS AND METHODS, ESPECIALLY USEFUL FOR AIRCRAFT HYDRAULIC SYSTEMS | 07-14-2016 |
| 181234000 | Water-closet type | 1 |
| 20110147117 | VACUUM WASTE-WATER SYSTEM SOUND-ABSORBER - A vacuum waste-water system sound-absorber includes a connection stub for a vacuum waste-water system and an aspiration air duct, wherein the aspiration air duct is radially delimited by a pipe, wherein the pipe is delimited at an interior of the aspiration air duct by an internal wall and is delimited at an exterior of the aspiration air duct by an external wall, wherein the internal wall comprises openings in a radial direction, wherein the external wall comprises openings in radial direction, wherein a sound-absorbent material is arranged between the internal wall and the external wall. | 06-23-2011 |
