Quotables
"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7331421 | Flow restrictors for aircraft inlet acoustic treatments, and associated systems and methods Flow restrictors for aircraft inlet acoustic cores, and associated systems and methods are disclosed. A system in accordance with one embodiment of the invention includes an inlet flow surface having multiple openings, and an acoustic treatment positioned adjacent t... | 02/19/2008 |
| 7308966 | Device for reducing jet engine exhaust noise using oscillating jets A device for reducing engine exhaust noise in an aircraft engine includes a number of oscillating jets which direct an oscillating flow into the engine exhaust. The oscillating jets are connected via channels to a turbomachinery source of high pressure gas, where th... | 12/18/2007 |
| 7114330 | Vertical exhaust water trap assembly An exhaust water trap assembly has separated and spaced exhaust tubes, and a dome cap blocking entry of water to protect an upstream catalytic converter or soot filter. A first tube extends axially upwardly into a housing, and a second tube is spaced vertically ther... | 10/03/2006 |
| 7104749 | Intake silencer for gas turbines A silencer (25a) for the attenuation of noise occurring in an intake airstream (10, 27) of a gas turbine (1–3) includes a device or devices (31, 32, 33, 34) for the introduction of water and/or steam into the intake airstream ( | 09/12/2006 |
| 7104750 | Fogging device for gas turbines A fogging device (26) for introducing water and/or vapor into an intake air flow (10, 27) of a gas turbine (1–3) includes a sound-absorbing device (31, 35). This device may in particular be designed in the form of Venturi tubes (31 | 09/12/2006 |
| 7055308 | Detonation damper for pulse detonation engines An engine includes at least one pulse detonation chamber configured to receive and detonate a fuel and an oxidizer. The pulse detonation chamber has an outlet end and includes a porous liner adapted to fit within an inner surface of the pulse detonation chamber with... | 06/06/2006 |
| 6802750 | Exhaust system for watercraft The invention relates to an exhaust system for watercraft, having an exhaust pipe which leads from an engine system to an exhaust gas outlet, wherein a through-flow means for degrading the energy of seawater gushing through the exhaust gas outlet into said exhaust p... | 10/12/2004 |
| 6691823 | Suction muffler in reciprocating compressor A suction muffler in a reciprocating compressor is installed over a suction valve to attenuate complex sound pressure (noise) such as vibrational noise, valve sonance, flowing noise and pulsative noise produced from the suction valve when low temperature,... | 02/17/2004 |
| 6564901 | Muffler for marine engine A marine engine muffler is provided having a silencing element with an inclined surface defining an array of elongate slotted apertures generally disposed in circumferential alignment. The slotted apertures are preferably defined by angled sidewalls such ... | 05/20/2003 |
| 6442933 | Device for catalytic exhaust gas purification A device for catalytic removal of a pollutant from an exhaust gas of a combustion system, particularly, a fossil-fired power plant or an internal combustion engine, includes an exhaust-gas duct for carrying exhaust gas, a reagent, a muffler having an inje... | 09/03/2002 |
| 6412595 | Economical exhaust muffler system for a marine propulsion apparatus A muffler is provided for a marine propulsion system in which an initial portion causes a downward flow of exhaust gas and entrained water from an exhaust manifold. The transition section directs the exhaust gas toward an egress section which extends upwa... | 07/02/2002 |
| 6152258 | Exhaust system with silencing and water separation capability An exhaust system is provided with a structure that separates water from an exhaust stream and also attenuates the noise of the exhaust system. Water laden exhaust is directed from an inlet conduit through a perforated surface to precipitate water from th... | 11/28/2000 |
| 6092621 | Methods and apparatus for suppressing engine test cell howl Methods and apparatus for suppressing cell howl with negligible impact on engine test conditions are described. The apparatus, in an exemplary embodiment includes a flow distorter configured to be positioned close to a nozzle exit of an engine nozzle, and... | 07/25/2000 |
| 5426270 | Fluid noise muffler and method of manufacture A muffler for reducing fluid flow noise in a hydraulic system comprises a cylindrical elastomer insert having multiple reinforced flow ports with different diameter porting, internal air chambers, and cast from an elastomer mixed with hollow glass spheres... | 06/20/1995 |
| 5103929 | Fluid noise muffler and method of manufacture A muffler for reducing fluid flow noise in a hydraulic system comprises a cylindrical elastomer insert having multiple reinforced flow ports with different diameter porting, internal air chambers, and cast from an elastomer mixed with hollow glass spheres... | 04/14/1992 |
| 5046977 | Exhaust muffler for marine engines An exhaust muffler for marine engines comprises a cylindrical container arranged to be mounted with its longitudinal axis horizontal and traverse to the longitudinal axis of the engine. The container forms an expansion chamber, which is closed at one or b... | 09/10/1991 |
| 4987970 | Device for collecting the exhaust gas jet of an aircraft reactor and a testing installation for aircraft reactors The invention provides a device for collecting the exhaust gas jet of an aircraft reactor with orientable propulsion nozzle or with a gas jet orientable with respect to the longitudinal axis of said reactor, during ground testing of the latter, as well as... | 01/29/1991 |
| 4713029 | Inverted flow marine engine exhaust muffler An exhaust muffler for a marine engine comprises a first vertically oriented tubular member having a lower end sealingly extended through the bottom of a main body chamber and an upper end extending upwardly through the top of the chamber. A second tubula... | 12/15/1987 |
