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Class 181/234 - Water-closet type


Subclass of Class 181 - Acoustics
Definition: Subject matter in which the fluid conductor is part of a
No. of patents: 15
Last issue date: 04/24/2012


NumberTitleIssue Date
8162102Vacuum 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...
04/24/2012
7278601Speed-adjustable life-saving apparatus
Provided is speed-adjustable life-saving apparatus which comprises a housing, a drum disposed in the housing, a life rope and a resistance wheel hub motor. One end of the life rope is fastened and wound on the drum. The resistance wheel hub motor disposed in the dru...
10/09/2007
7111831Sound attenuation apparatus and method
A cooling tower sound attenuation apparatus having at least one sheet. The sheet has an upper and lower end and a first substantially straight region and a second region that is connected to the first substantially straight region. The apparatus additionally has a l...
09/26/2006
6868938Noise-reducing engine enclosure
A noise-reducing engine enclosure for an engine includes first and second members removably mounted to one another in cooperating relation to define an engine receiving space therebetween. The first and second members each include a noise-reducing layer of material ...
03/22/2005
6848668Silent-operating device for feeding water into a tank, in particular for filling a lavatory flush tank
There is provided a silent-operating device for feeding water into a tank, in particular for filling a lavatory flush tank; the silencing effect is achieved by feeding the water through a chamber housing flow deflecting members; the members are perforated members ar...
02/01/2005
6810904Lavatory flush tank silent-operating fill device
A lavatory flush tank silent-operating fill device has a silencer extending along an axis and through which a stream of water flows; a number of channels are defined inside the silencer by a bundle of substantially straight, parallel tubes housed inside the silencer...
11/02/2004
6152258Exhaust 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
5171944Pressure pulsation absorbing device
A pressure pulsation absorbing device adapted to be connected between a pair of piping flanges includes a cup-shaped silencer box having a central inner bore for fluid flow therethrough, and a plurality of water stop bosses integrally formed with the sile...
12/15/1992
4938245Low noise toilet tank valve
A toilet refill valve is described for refilling a water closet after each flushing, which produces minimal noise during the refill process. The valve includes a valve device which can open to pass water to a vertical outlet tube that empties into the bot...
07/03/1990
4890339Splash suppressor
A device to create such turbulence in water normally held motionless in a toilet that splashing and spattering is suppressed when solids, liquids, or both are inserted in a traditional manner. This device includes a submerged, motor driven rotor which whe...
01/02/1990
4742889Phonic deadening device for conduit of sanitary installation
The phonic deadening device comprises a cylindrical sleeve (5) with double walls, made of an elastic material and the axial traversing opening of which serves for the passage of the flux of the liquid. Both walls of this sleeve define between them an empt...
05/10/1988
4635751Silencer
A silencer attached to a toilet cistern float valve or the like includes damping elements disposed between two cavities with ports communicating between the two cavities. A cylinder beneath a lower one of the two cavities communicates therewith through an...
01/13/1987
4448284People rescue device
This invention relates to a device for escaping from buildings in case of fires or other emergencies. The device enables persons to be rescued to leave the building by descending vertically along the external building walls. The device is made up of a clo...
05/15/1984
4345341Vacuum suction type urinating aid
A vacuum suction type urinating aid comprises a urine transport tube connected, at one end, with a urine receiver provided with a urine suction opening to be applied to a urinating region, and connected, at the other end, with a urine tank communicating t...
08/24/1982
4221335Flow controller and support therefor, and flow controller-noise reducer combinations
A flow controller, for limiting total maximum water flow through a domestic flow appliance, is provided by a molded flexible body shaped to provide a deformable central flow orifice and an outermost sealing section that is adapted to be operatively positi...
09/09/1980
 
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