Class 181/259 - With disparate fluid mingling

Subclass of Class 181 - Acoustics
Definition: Subject matter in which a fluid is introduced into and mingled
No. of patents: 24
Last issue date: 08/10/2010

Number	Title	Issue Date
7770691	Lightweight pelletized materials A plurality of pellets include at least one of a snythetic, biomass, mineral, or polymer based material. The pellets can have a specific gravity of about 0.01 to about 0.3 g/cm3 and are dimensionally stable, substantially dust-free, substantially non-hygr...	08/10/2010
7367424	Eccentric exhaust muffler for use with auxiliary power units A muffler system is provided for use with an auxiliary power unit. In one embodiment, and by way of example only, the system includes an outer can, an annular baffle, and a tube. The outer can has a sidewall including a forward end, an aft end, and a cavity extendin...	05/06/2008
7252095	Mobile flushing unit and process In one embodiment of the invention, a method of cleaning a workpiece is disclosed. The method comprises providing a mobile flushing unit and servicing the workpiece as follows: a) connecting a flexible hose of the mobile flushing unit to one end of the workpiece and...	08/07/2007
7156202	Method and apparatus for venting exhaust gas from an engine A muffler for coupling to an exhaust port of an internal combustion engine. The muffler includes a housing having an exhaust inlet configured to receive exhaust gas from the engine, at least one internal expansion chamber and an outlet opening. The muffler further i...	01/02/2007
6845843	Suction muffler for a refrigerating machine The invention concerns a suction muffler for a refrigerating machine with a housing, in which at least one chamber is arranged and which has an inlet opening (7), an outlet opening and an oil discharge opening. It is endeavoured to avoid that too much ...	01/25/2005
6749397	Fluidal machine In a fluidal machine with an impeller rotating to urge a fluid radially outwardly by a centrifugal force, a vane guiding the fluid discharged from the impeller, a vane member which includes a front end of the vane facing to the impeller so that the fluid discharged ...	06/15/2004
6430921	System moisture absorber An exhaust system for an internal combustion engine has special accommodations for preventing the pooling of water in the passageways of the exhaust system. One or more of the components of the exhaust system such as mufflers and or sections of exhaust tu...	08/13/2002
6385968	Exhaust discharge system with low IR signature The invention concerns an arrangement for a discharge system for combustion gases from a motor-driven vehicle which gives the vehicle a low IR signature. According to the invention, the gas outflow channel (28), at least in an area of the channel adjacent...	05/14/2002
6220387	Exhaust muffler An exhaust muffler (20) for an internal combustion engine (25) includes a tapered tube (28) and an outer tube (40) axially aligned with and surrounding the tapered tube (28) so that an annular passage (42) is formed between the tapered tube (28) and the o...	04/24/2001
5594217	Exhaust muffler for small marine craft An exhaust muffler for small marine craft that can be located in the rear portion of the bilge and straddle the drive shaft and the shaft log. The muffler has a shell formed from sides, ends, top and bottom walls. The bottom wall is provided with a concav...	01/14/1997
4580657	Integral fluted tube for sound suppression and exhaust ejection An integral formed fluted tube intended, for example, for use as a sound suppression device in mufflers, exhaust ejectors, etc. is disclosed. The tube is formed of a cylindrical portion with generally circular inlets and outlets and a constricted portion ...	04/08/1986
4325460	Ejector muffler An ejector comprising a housing (30, 81) and an ejector insert (40, 82) received therein to form a venturi which is eccentric with the housing, and a muffler-ejector assembly (25), including such an ejector (80), so mounted that the inlet axis (78) of the...	04/20/1982
4202426	Exhaust gas splitter construction Splitter type exhaust silencers are improved by providing means for preventing dust particles from depositing upon sound deadening fibers exposed to the dust carrying exhaust gas stream by providing a dust-free boundary layer gas stream to flow protective...	05/13/1980
4196793	Method of and device for attenuating the noise radiated by gas jets A method of and a device for attenuating the noise radiated by a free-expion gas jet throughout the audible-frequency range as well as in the ultrasonic and infrasonic frequency ranges. Concomitantly with the complete and shock-free expansion of the gas ...	04/08/1980
4184638	Low noise level, pressure fluid spouting device A low noise level, pressure fluid spouting device includes an inlet for introducing a pressure fluid therein at one end thereof; a nozzle connected to the inlet for jetting or emitting the pressure fluid therefrom, the nozzle having an annular inner wall ...	01/22/1980
4164989	Muffler, especially for portable internal combustion engine A muffler, especially for a portable internal combustion engine, particularly for driving a motor chain saw, which muffler comprises an exhaust gas receiving chamber which is defined by a chamber wall and by a pan-shaped housing wall including an inlet fo...	08/21/1979
4142607	Silencer, especially for portable motor chain saws Disclosed is an exhaust silencer suitable for use with portable combustion engines, and particularly for use with chain saw engines, comprising a chamber having an inlet and outlet for receiving the engine exhaust; means disposed about the chamber outlet ...	03/06/1979
4113048	Method of and device for attenuating the noise radiated by gas jets A method of and a device for attenuating the noise radiated by a free-expion gas jet throughout the audible-frequency range as well as in the ultrasonic and infrasonic frequency ranges. Concomitantly with the complete and shock-free expansion of the gas ...	09/12/1978
4060985	Exhaust system of an internal combustion engine An exhaust system of an internal combustion engine especially adapted for use as a power source for a portable tool such as a chain saw, said exhaust system comprising a muffler enclosed within an engine casing and located within the passage of the coolin...	12/06/1977
4050903	Combination muffler and catalytic converter Combination muffler and catalytic converter utilizes an axial flow monolithic catalytic element to treat exhaust gases from an internal combustion engine and partially reduce their sound. A perforated chamber around the catalytic element, a downstream per...	09/27/1977
4019456	Marine wet exhaust system and improvements in powered marine vessel An exhaust gas-cooling water separation chamber, a gas collection chamber and gas acceleration and gas flow-shaping conduit means. The entrance of the separation chamber is connectable to water coolant and gas exhaust tubes from a marine engine. The separ...	04/26/1977
3985302	Variable two stage air nozzle An improved air nozzle is provided which produces high thrust amplification over a relatively wide range of input flow rates while maintaining relatively low noise levels. The nozzle is adapted to provide flow amplification by inducing flow of ambient air...	10/12/1976
3954224	Jet noise suppressor Multiported and multinozzled sectors are pivotally mounted to swing between positions cooperatively spanning a jet engine exhaust duct and retracted positions alongside the wall of such duct. Such sectors are located between a forward nozzle section and a...	05/04/1976
3936017	Combined noise shield and thrust reverser In an aircraft with a multi-engine configuration at the aft end of the fuselage the engines lie on top and on either side with their air intakes so positioned that downward and sideways noise shielding is provided by the fuselage and the wings, the wings ...	02/03/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 181/259 - With disparate fluid mingling