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| Number | Title | Issue Date |
| 7100923 | Magnetic fluid seal device A magnetic fluid seal device that increases a permissible value of eccentricity for two members to improve sealability and decreases a variation of quality by injecting a magnetic fluid before assembling of parts, that saves structural members to achieve thinning, a... | 09/05/2006 |
| 6921079 | Hydraulic seal arrangement A hydraulic seal arrangement 5 between two shafts 1, 2 rotating relatively to each other, particularly in the same sense of rotation, of especially a gas turbine engine, where the radially outer shaft 2 has an annulus 5a extending ... | 07/26/2005 |
| 6464227 | Manometric fluid barrier seal A fluid seal having differing fluid levels is provided on opposite sides of a downwardly opening cup-shaped container that is longitudinally lapped by an upwardly opening annular container that is sealed to a vessel such that the lip of the cup-shaped con... | 10/15/2002 |
| 6224354 | Leakage storage means for a submersible machine The invention concerns a device for a submersible machine, such as a pump, a turbine or a mixer. The machine includes a driving unit (1) and a hydraulic unit (2) having an impeller connected to the driving unit via a rotary shaft (3). In order to prevent ... | 05/01/2001 |
| 6164658 | Hydraulic seal A hydraulic seal (15) for providing a seal between two concentric shafts (10,12) of a gas turbine engine comprises a radially outer element (16) that defines an annular oil reservoir (21) and a radially inner element (22) having an annular fin (24) that p... | 12/26/2000 |
| 5158427 | Centrifugal supercharger A centrifugal supercharger includes a housing, an input shaft rotatably supported on the housing, a pulley related with one end of the input shaft, an output shaft rotatably supported on the housing, a compressor rotor fixed to one end of the output shaft... | 10/27/1992 |
| 4570947 | Gas sealing and fluid scavenge apparatus A hydraulic seal and an oil scavenge system are combined, and oil pumping gears and other associated equipment thus obviated. The hydraulic seal 32 comprises an oil reservoir holding centrifuged oil, and an annular fin 22, the periphery of which dips in t... | 02/18/1986 |
| 4410187 | Sealing device for rotary hydraulic fluid machine A sealing device for a hydraulic fluid rotating machine, characterized in that between a free internal peripheral edge (126) of a rotating body (20) and a contiguous wall of sleeve (18a, 18b) around which it fits, there is mounted a fixed fluid-tight seal... | 10/18/1983 |
| 4383720 | Centrifugal fluid seal A centrifugal fluid seal includes a rotatable hollow rotor formed by an annular cup enclosed by an annular cover having drain holes near its periphery. A stationary annular cap and recirculator jointly define an annular cavity in which the fluid to be sea... | 05/17/1983 |
| 4269418 | Hydraulic seal for fluid machines A hydraulic seal for a fluid machine having a horizontal core and a vertical rotating shaft extending up through a central opening in the cover comprises a disc fixed on the shaft above the cover. A plurality of rotating frusto-conical sheaths have their ... | 05/26/1981 |
| 4161317 | Seal ring for rotary shaft A seal ring usable in a rotary shaft and formed with a gap between its peripheral ends, characterized in that an annular groove is formed on the outer peripheral surface of said seal ring, and in that an auxiliary seal ring, which is formed with a gap bet... | 07/17/1979 |
| 4076260 | Sealing device for rotary machines containing hydraulic fluid A sealing device for rotary machines containing hydraulic fluid, such as centrifugal pumps, compressors, steam turbines and the like. An annular gasket/valve has a flexible lip which seals around the pump or other type machine shaft when the machine is in... | 02/28/1978 |
