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Document Title |
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7591631 |
Flow delivery system for seals
A turbo machine includes a housing having a bearing compartment for receiving lubrication. The housing also provides a buffer compartment for receiving air, for example, compressor bleed air. A...
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7547185 |
Output shaft air/oil separator to redundantly protect against output shaft o-ring leakage
An output shaft air/oil separator system comprises an outer housing, an oil passage, a spline shaft having a cavity formed therein that communicates with the oil passage, an output shaft disposed...
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7481613 |
Water pump
The water pump comprises: a body, a rotating device, a driving device, an upper cover and a bottom cover. A lower contacting element is mounted below a bearing, and is capable of contacting a...
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7425114 |
Shaft seal for a transmission expander or compressor, and transmission expander or compressor having a shaft seal
A shaft seal for a transmission expander or compressor having at least one rotor which rotates in a housing and is arranged in a floating manner on a shaft, the shaft seal having a seal arrangement...
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7367427 |
Accessory lubrication system for a turbine plant
A lubrication system for supplying lubricants between two environments is provided. The first environment is disposed within a first housing and the second environment is disposed within a second...
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7252474 |
Sealing arrangement in a compressor
A sealing arrangement for a compressor that compresses a gaseous mixture of air and fuel includes a pressurized air supply duct for supplying pressurized air into a leakage pathway defined between...
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7249463 |
Aerodynamic fastener shield for turbomachine
A fastener shield for use in a fluid flow path within a gas turbine engine for reducing fluid drag and heating generated by fluid flow over a plurality of circumferentially spaced fasteners. The...
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7217469 |
Fluid handling device for hydrogen-containing process fluids
The present invention relates to a process fluid handling device in an electrochemical cell system having a fluid barrier between a process fluid compartment and a drive compartment of the fluid...
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7153093 |
Vacuum pump
A vacuum pump ( 10 ) comprises at least one rotor shaft ( 12 ) having a rotor section ( 14 ) with a rotor ( 16 ), a bearing section ( 18 ) with a bearing ( 20 ), and a shaft sealing system ( 22 )...
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7147427 |
Utilization of spillover steam from a high pressure steam turbine as sealing steam
A steam-driven turbine system for a power plant in which a high pressure and a low pressure turbine are coupled to a common shaft to drive an external generator. Process steam supply is used as...
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7134836 |
Turbocharger and method for its manufacture
A housing unit for a turbocharger ( 1 ) comprises a rotor shaft ( 18 ) to mount a rotor on both its ends. Furthermore, there is a bearing housing part ( 4 ) for supporting the rotor shaft ( 18 ),...
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7118324 |
CO2 compressor
A CO 2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO 2 compressor, which is implemented as a sliding ring. The CO...
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7114913 |
Lubricant-cooled gas compressor
In a lubricant-cooled gas compressor ( 10 ) the temperature of separated lubricant returned to the air-side ( 11 ) is monitored by a thermostatically controlled restrictor valve ( 22 ) which...
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7112033 |
Hygienic mechanical seal flushing system for pure liquids in sanitary centrifugal pumps
A sanitary centrifugal pump with a hygienic mechanical seal flushing system. The pump has a housing with a pumping chamber defined therein. An impeller is at least partially contained in the...
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7094020 |
Swirl-enhanced aerodynamic fastener shield for turbomachine
A fastener shield for use in a fluid flow path within a gas turbine engine for reducing fluid drag and heating generated by fluid flow over a plurality of circumferentially spaced bolts. The...
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7065954 |
Turbine, particularly useful for small aircraft
A turbine includes a combustion chamber with deflectors generating vortices in a secondary gas flow into the combustion chamber, thereby confining the flame front from penetrating into the cold...
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7018186 |
Feed pump
The invention relates to a feed pump for delivering fluid media, wherein the pump bearings are lubricated by the feed medium itself. Connecting channels with valve devices are provided on the...
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6976679 |
Inter-fluid seal assembly and method therefor
An inter-fluid brush seal assembly and associated method are provided. The seal assembly defines a gas passage for supplying gas to interfaces with a rotatable member. At least one of the...
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6969229 |
Sealing system for centrifugal compressors which process lethal gases
A sealing system ( 10 ) which ensures the safe operation of very high pressure centrifugal compressors which process lethal gases. The system comprises sealing means ( 18, 19 ) separated by an...
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6913438 |
Pump lubrication system including an external reservoir
A circulating lubrication system for a centrifugal pump, or other rotating equipment utilizing an oil sump, is disclosed. The lubrication system includes an external reservoir located distant from...
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6893208 |
Drainage system for gas turbine supporting bearings
A drainage system for gas turbine supporting cushions or bearings, in particular for the second supporting bearing, consisting of a central shaft ( 20 ), surrounded by a series of supporting studs...
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6884022 |
Diesel engine water pump with improved water seal
An improved diesel engine water pump includes three main features that aid in extending the maintenance-free life of the pump. The impeller shaft is carried by tapered roller shaft support bearings...
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6874998 |
Turbocharger with reduced coking
A turbocharger including means for preventing or reducing coking, particularly following engine shutdown, without noticeably increasing weight or volume of the turbocharger. The turbocharger...
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6863493 |
Lubricating systems for regenerative vacuum pumps
In a vacuum pump of the regenerative type or including a regenerative section in which a rotatable vertical shaft is supported by upper and lower bearings, a lubricating system for lubricating the...
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6854955 |
Internal lubrication screw pump for hollow shaft
A rotary machine is provided, such as an electromechanical device, that includes a housing having a lubricating oil disposed within the housing. A shaft is rotatable about an axis relative to the...
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6802702 |
Feed pump for fluidic media having sleeve bearing lubrication
The invention relates to a feed pump for fluidic media, comprising a displacement body that is mounted in a pump housing and equipped with slide bearings and connecting channels that connect the...
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6802689 |
Turbo type fluid machine and dry gas seal for use therefor
Abnormality in an amount of a working gas leaked from between a rotating ring adapted to rotate with a rotor and a stationary ring of a turbo fluid machine is detected by a pressure switch and a...
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6783322 |
Pump system with variable-pressure seal
A pump system, including an impeller and an impeller shaft, which has one end secured to the impeller and another end that may be coupled to a motor to drive the impeller. The pump system further...
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6779965 |
Integrated axial flow pump
An apparatus is given for feeding a lubricating and cooling material to a pump or other device having a rotating member that operates intermittently. In particular it deals with methods for...
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6752590 |
Water pump and impeller therefor
A water pump ( 10 ) and impeller ( 30 ) for use in applications such as internal combustion engines. A plurality of holes ( 40, 44 ) are formed near the hub and periphery of the impeller ( 30 ) of...
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6715985 |
Gas conditioning system
A system of conditioning elements is described for supply of conditioned seal gas to the seal chamber of a rotary machine employing gas lubricated, non-contacting seals. It includes elements to...
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6679678 |
Increased wear-life mechanical face seal anti-rotation system
One or more stator seal assemblies are mounted in the housing of a rotating machine such as, for example, an air turbine starter for a gas turbine engine, and surround a rotating shaft. The seal...
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6668553 |
Ejector-based cooling system for turbochargers
A turbocharger component cooling system employs an ejector using energizing gas from the turbocharger system to draw cooling fluid through a plenum around the component to be cooled into the...
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6655910 |
Turbocompressor with specially configured thrust washer
A gas bearing system for use in a turbocompressor or similar device that embodies a uniquely configured thrust washer or disk that exhibits superior strength characteristics when the disk is...
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6641140 |
Apparatus for retaining lubrication oil at sliding surface of shaft seal device disposed within oil chamber of submersible pump
An apparatus for retaining lubrication oil at the sliding surface of a double-type shaft seal device disposed within an oil chamber of a submersible pump. The apparatus prevents lubrication oil...
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6623238 |
Air turbine starter with seal assembly
An air turbine starter with an improved seal assembly is provided. A fluid conduit or channel allows higher pressure fluid into one side of a bearing seal. For example, the seal assembly may...
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6607348 |
Gas compressor
To avoid formation of condensate or freezing in the tandem gas seals ( 12, 13 ) of a gas compressor ( 1 ), such as for use in the compression of production of natural gas, when the compressor is...
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6585481 |
Paint pumping device
A device for pumping paint includes a pump house adapted to receive paint from a paint source, a pump shaft for driving a pump member to rotate inside the house for pumping paint therethrough. The...
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6582185 |
Sealing system
A sealing system to prevent loss of a process fluid from a device having a device opening and a rotating member operable for rotational movement within the device opening. A rotary shaft seal such...
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6533540 |
Double-seal/oil-reservoir system for a motor/pump assembly
A double-seal/oil-reservoir system for motor/pump assembly includes first seal (S 1 ) and a second seal (S 2 ) of a carbon/ceramic ring type that are axially spaced from one another along a drive...
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6524059 |
Turbo fluid machinery and dry gas seal used for the machinery
With a turbo type fluid machine provided with a primary dry gas seal ( 9 ) and a secondary dry gas seal ( 10 ), abnormality in an amount of a working gas leaked from between a rotating ring ( 7 a, ...
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6457560 |
Gear box oil pumping system
Gear box oil pumping system employs the teeth of a gear rotatably mounted within a gear box housing acting as paddles to move oil between the gear box housing and an oil reservoir.
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6439836 |
Cryogenic turbo-expander
A cryogenic turbo-expander has a rotary shaft which carries a turbine wheel and carries or is operatively associated with an energy dissipating device and which extends axially through a sleeve....
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6418927 |
Rotary compressor for respiration systems
An improved rotary compressor ( 1 ) for respiration systems with breathing gases transported in a closed system. This rotary compressor ( 1 ), which can be washed and sterilized, is has an...
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6402461 |
Pumps
A fluid pump ( 10 ) has a body housing ( 14 ) a fluid pumping chamber having a rotatable pumping member ( 16 ), a drive shaft ( 12 ) which passes through an aperture in the body into the pumping...
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6398484 |
Centrifugal compressor and shaft seal
A shaft seal system prevents working gas in a centrifugal compressor from leaking outside from the compressor. The shaft seal system is of an oil film seal type and located in the compressor in...
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6368052 |
Spindle device having turbine rotor
A spindle device can prevent a drive fluid for a turbine rotor from being leaked to a gap between a fixed housing and a spindle which is rotatably supported on the housing as much as possible and...
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6345954 |
Dry gas seal contamination prevention system
A seal gas pressure booster system for use with a gas compressor, particularly of the type used for boosting pressure in gas transmission, process or utility industries and which contains pressure...
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6330790 |
Oil sump buffer seal
A buffer seal arrangement is provided for improved buffer sealing of oil sump seals in gas turbine engines. The buffer seal arrangement includes a three section labyrinth seal. Disposed between the...
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6318959 |
Multi-stage rotary vacuum pump used for high temperature gas
In a multiple-stage rotary type vacuum pump, gas is compressed in one pump section and passes through a communication path into the next pump section for successive compression. The mechanical...
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