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| Application No. | Application Title | Issue Date |
| 20120045349 | PRESSURE PULSATION DAMPENER A pressure pulsation dampener for use in a gas stream is disclosed herein. The dampener can include a housing with an inlet half and an outlet half having a recess, a shaft hole, and an extension with an outlet port. The inlet half can be secured to the outlet half, and... | 02/23/2012 |
| 20120003106 | TUNABLE CHOKE TUBE FOR PULSATION CONTROL DEVICE USED WITH GAS COMPRESSOR A method and system for reducing pulsation in a gas compressor system. A pulsation control device, such as a filter bottle or side branch absorber, is installed at a port into some location on the compressor system. The pulsation control device has a choke tube with a v... | 01/05/2012 |
| 20110308481 | WATER HEATER BLOWER HOUSING A fuel-fired water heater includes a water storage tank, a flue positioned to receive combustion gases and transfer heat from combustion gases to water in the water storage tank, and a blower assembly. The blower assembly includes a housing defining an inlet positioned ... | 12/22/2011 |
| 20110299245 | FAN ASSEMBLY AND ELECTRONIC DEVICE INCORPORATING THE SAME An exemplary fan assembly includes a fan and a muffler. The fan includes an air outlet. The muffler is disposed at the air outlet of the fan. The muffler includes a base plate. The base plate defines vents therein and blades thereon corresponding to the air outlet of th... | 12/08/2011 |
| 20110280743 | HERMETIC COMPRESSOR The present invention discloses a hermetic compressor which can reduce the noise by regulating a suction pressure in a connector enabling a suction pipe of a hermetic container and a suction muffler to communicate with each other. The hermetic compressor includes: a her... | 11/17/2011 |
| 20110265285 | UPRIGHT VACUUM WITH REDUCED NOISE According to various embodiments, a method of reducing noise generated by a vacuum is described. The method comprises providing a vacuum comprising a motor including a motor shaft adapted to operate at a rotational speed of n; attaching a centripetal fan with t number o... | 11/03/2011 |
| 20110243760 | Pressure Recovery Insert for Reciprocating Gas Compressor A method of reducing pulsations in a reciprocating compressor system, the system having nozzles between cylinders and filter bottles of the compressor system, the nozzles attaching at ports of the cylinders and filter bottles. A special insert is designed to be placed i... | 10/06/2011 |
| 20110243761 | Pulsation Dampener for Gas Compressors Having Selectable Size Choke Openings A gas flow pressure pulsation dampener includes a sealed housing having an inlet port, an outlet port a center section disposed between the inlet port and the outlet port. A choke plate is rotatably disposed in the center section and has a plurality of different size op... | 10/06/2011 |
| 20110217185 | System and Method For Reducing Compressor Noise A noise reduced compressor has a body, an energy dissipation element, and a structural element configured to retain the energy dissipation element relative to the body. A noise reducer for an HVAC system compressor has an energy dissipation element and a structural elem... | 09/08/2011 |
| 20110171046 | NOISE MUFFLER FOR COMPRESSOR AND COMPRESSOR The present invention refers to a noise muffler for refrigeration compressors capable of dampening noise generated by the intermittent flow of the compressor and at the same time a muffler that reduces the loss of load in the refrigeration system. Accordingly, a noise m... | 07/14/2011 |
| 20110103978 | TURBINE WITH IMPROVED SOUND REDUCTION The present disclosure generally relates to a turbine for a fluid delivery system and more specifically, but not by limitation, to a portable air turbine for a fluid delivery system having improved sound reduction. In one exemplary embodiment, a portable turbine apparat... | 05/05/2011 |
| 20110070105 | CONSTRUCTIVE ARRANGEMENT FOR A HERMETIC REFRIGERATION COMPRESSOR A hermetic compressor, comprises: a hermetic shell (1); a cylinder block (2) defining, a shell portion (Ia) and a compression cylinder (3) having an end (3a) opened to the exterior of the hermetic shell (1) and closed by a valve... | 03/24/2011 |
| 20110014065 | MUFFLER FOR COMPRESSOR Disclosed is a muffler for a compressor, which has a chamber between an inlet and an outlet and also appropriately designs a size of a communicating pipe for indirectly connecting the inlet to the outlet as well as a size of a noise space, whereby a suction loss of a re... | 01/20/2011 |
| 20100329899 | MULTI-FREQUENCY PULSATION ABSORBER AT CYLINDER VALVE CAP A multi-chambered pulsation absorber for attachment over the valve cap opening of a compressor cylinder. Each chamber is in fluid communication with the valve cap opening (or cylinder internal gas passages) via an associated choke tube. Each pairing of a chamber with a ... | 12/30/2010 |
| 20100310389 | SYSTEM FOR ATTENUATING PULSATION IN THE GAS DISCHARGE OF A REFRIGERATION COMPRESSOR The attenuation system is applied to a compressor which comprises: a cylinder (2) having an end closed by a valve plate (4) provided with a discharge orifice (4a) and defining, with the cylinder (2), a compression chamber (6), a... | 12/09/2010 |
| 20100310388 | SEALING STRUCTURE AND COMPRSSOR A sealing is arranged between a rear head having an ejection port configured and arranged to eject compressed refrigerant and a rear muffler disposed so that a muffler space is formed between the rear muffler and the rear head. The rear head includes a main body having ... | 12/09/2010 |
| 20100290936 | LINEAR COMPRESSOR A linear compressor (100) comprises: a stationary member including a cylinder (200) for providing a space for compressing a refrigerant; a movable member linearly reciprocating with respect to the stationary member, and including a piston (300) for ... | 11/18/2010 |
| 20100290928 | NOISE REDUCING DEVICE FOR HERMETIC TYPE COMPRESSOR The present invention relates to a noise reducing device for a hermetic type compressor. The noise reducing device for a hermetic type compressor according to the present invention is configurated to have a plate film (123) in a connection member (120) con... | 11/18/2010 |
| 20100269797 | TUNING DEVICE WITH COMBINED BACKFLOW FUNCTION A supercharger has an inner wall defining an inner cavity for receiving lobed rotors for rotation therein, a low-pressure inlet and a high-pressure outlet. A sound attenuator is associated with the housing and located adjacent to the high-pressure outlet. The sound atte... | 10/28/2010 |
| 20100260629 | LINEAR COMPRESSOR The present invention provides a linear compressor including: a shell (110); a fixed member installed inside the shell (110), and including a cylinder (200) for providing a compression space of refrigerant introduced into the shell (110); a m... | 10/14/2010 |
| 20100260621 | HERMETIC COMPRESSOR A compression element is provided with a block, a piston, a valve plate arranged in an opening end of a compression chamber and forming a suction hole, a suction valve, a suction muffler forming a sound absorbing space and provided with a communication pipe, and a cylin... | 10/14/2010 |
| 20100247339 | NOISE-ATTENUATING DEVICE FOR HVAC AND REFRIGERATION SYSTEMS A noise-attenuating device for an HVAC and refrigeration system is provided. The HVAC and refrigeration system includes a condenser and at least one fan system. The noise-attenuating device includes an inner shell with a first outer surface, a first inner surface and a ... | 09/30/2010 |
| 20100239438 | HERMETIC COMPRESSOR A Inlet pipe (151) communicating the space inside the hermetic enclosure with sound absorbing space (147) of inlet muffler (145) is provided so as to be inclined downward from inlet-pipe inlet (155) toward inlet-pipe outlet (157). Outl... | 09/23/2010 |
| 20100226796 | ROTARY COMPRESSOR A stagnation space defined by barriers is provided in a first muffler chamber communicating with a first cylinder chamber. The stagnation space overlaps with a refrigerant-gas inlet side of the first cylinder chamber, the inlet side being bordered by a center plane as v... | 09/09/2010 |
| 20100215515 | Pump unit as well as a pump and a discharge connection In a first aspect the invention relates to a pump unit comprising a discharge connection (3) and a pump, the pump comprising a pump housing (7), and a claw (6) connectable to the pump housing (7), the pump unit having at least two contact int... | 08/26/2010 |
| 20100215516 | PULSATION ATTENUATION IN SYSTEMS WITH MULTIPLE COMPRESSION ELEMENTS In compression systems having multiple sources of pulsation induced noise, provisions are made to reduce the noise by selectively varying the length of adjacent refrigerant lines leading to a common refrigerant manifold. Each of the refrigerant lines is associated with ... | 08/26/2010 |
| 20100202893 | MOTOR/PUMP ASSEMBLY A motor/pump assembly for a motor vehicle brake system including a pump and a motor driving the pump, the pump having opposite working diaphragms which are, in each case, mounted between a pump casing and a cover and thereby delimit a space and which can be moved by a c... | 08/12/2010 |
| 20100202904 | SCREW COMPRESSOR PULSATION DAMPER A slide valve for use in a screw compressor comprises a main body portion configured for sliding in a pressure pocket of a screw compressor to regulate output of a working matter through screw rotors of the compressor. The main body of the slide valve includes a plurali... | 08/12/2010 |
| 20100170291 | HERMETIC COMPRESSOR AND REFRIGERATION SYSTEM In a hermetic compressor, aggression to an organic material is low by using a refrigeration oil using, as a base oil, an alicyclic multivalent carboxylic acid ester compound and made of an alicyclic multivalent carboxylic acid ester compound having at least two ester gr... | 07/08/2010 |
| 20100158711 | COMPRESSOR Oil sucked by an oil pump and supplied to an opening at an eccentric shaft flows on the top end face of the eccentric shaft to the outer periphery thereof, and splashes from an edge in substantially a radial direction onto the sliding portions of a cylinder and a piston... | 06/24/2010 |
| 20100129234 | SHOCK DAMPER FOR OUTLET PIPE OF DIAPHRAGM PUMP The present invention provides a shock damper for outlet pipe of diaphragm pump comprising a shock damper pod including an intake jointer, an outtake jointer, a stroke cavity and a cap receptacle, a damping block, a damping elastomer and a damper cap. After screwing the... | 05/27/2010 |
| 20100054978 | INJECTIBLE TWO-STAGE COMPRESSION ROTARY COMPRESSOR An injectable two-stage compression rotary compressor includes a compressor housing; a low-stage compressing section provided in the compressor house; a high-stage compressing section provided near the low-stage compressing section; a motor for driving the low-stage com... | 03/04/2010 |
| 20100047087 | ROTARY COMPRESSOR A rotary compressor includes a rotation compression element, a discharge port and a muffler. The rotation compression element is configured to compress gas as a result of rotation of a crankshaft about a rotation axis. The discharge port is configured to discharge the g... | 02/25/2010 |
| 20100031696 | REFRIGERATING COMPRESSOR AND REFRIGERATING DEVICE USING THE SAME A refrigerating compressor includes a hermetic container accommodating oil, a motor accommodated in the container, a compressor unit provided under the motor and driven by the motor, and a vibration-proof cover. The compressor unit has a crankshaft including a main shaf... | 02/11/2010 |
| 20100008798 | BLOWER NOISE MUFFLER APPARATUS AND SYSTEM A system for dampening sound produced by an air blower such as that used to inflate an inflatable movie screen or other inflatable structures. The system can include an air blower and a muffler. The muffler is configured to reduce or dampen sound output from the air blo... | 01/14/2010 |
| 20090324430 | COMPRESSORS UNITS The invention relates to improvements in compressor units, and in particular to a modular compressor unit which has separate sections for the compressor, the controls and the air intake. The modular compressor unit comprises three separate adjoining sections, being an i... | 12/31/2009 |
| 20090304532 | MULTIPLE MEMBRANE PUMP FOR FOOD LIQUIDS AND THE LIKE A multiple membrane pump for food liquids, comprising at least one duct for the compensated intake of the liquid, which is closed on itself in a loop and is provided with at least one intake port, at least one duct for the compensated delivery of the liquid, which is cl... | 12/10/2009 |
| 20090266095 | Refrigerated Preservation Unit, Particularly for Domestic Use A refrigerated preservation unit, particularly for domestic use, includes an internal compartment provided with an access door and with a refrigeration means. The unit includes an atmosphere control device constituted by a nitrogen generator, a control PLC, an oxygen an... | 10/29/2009 |
| 20090269219 | Domestic appliance with a sound damper A sound absorber for a flow of gas which is subjected to a noise, including a pipe section which is substantially straight along an axis, is bounded by two openings which are situated one behind the other with respect to the axis and which has a guide body which is fitt... | 10/29/2009 |
| 20090257892 | SUCTION MUFFLER FOR A HERMETICALLY ENCLOSED REFRIGERANT COMPRESSOR The invention concerns a suction muffler (1) for a hermetically enclosed refrigerant compressor with a housing (2, 3) having, between an inlet (10) and an outlet (11), a first muffling chamber (8) in the flow direction and a second muf... | 10/15/2009 |
