What’s new

August 2026

• patent · 13 Jul 1976 · added 2 months ago

  Sealing arrangement

  In a mechanical seal with rubbing slide ring and counter ring elements, an annular distributor guiding element which defines the annular channel guiding coolant and lubricating liq...

• patent · 31 Jul 1973 · added 2 months ago

  Ventilated dynamoelectric machines

  A dripproof (open ventilation) dynamoelectric machine is improved by the addition of an auxiliary fan and fan enclosure of totally enclosed design to either or both ends of the bas...

• patent · 15 Oct 1974 · added 2 months ago

  Seal for bearings and similar rotating members

  A seal for use between revolving components. A seal part is carried by each of the components. The seal parts are juxtaposed and have overlapping faces which cooperate to define a...

• patent · 29 Jan 1974 · added 2 months ago

  Two-part stator for large rotating electrical machines

  A two-part stator for large rotating electrical machines which consists of an outer non-wound stator part sub-divided in the axial direction into annular laminated sections and a u...

• patent · 24 Oct 1972 · added 2 months ago

  Flush cooling of shaft sealing screw means

  In certain shaft seals using a viscoseal-type sealing screw such as those adjacent the pressurized screw pump section of a viscous liquid devolatilizer, excessive heat buildup and/...

• patent · 15 Jun 1976 · added 2 months ago

  Shaft seal

  A visco-type seal is disclosed wherein a sealing pressure is built up in a fluid by means of one or more helical windings, the fluid being enclosed in a narrow clearance between a...

• patent · 15 Feb 1972 · added 2 months ago

  Ventilated dynamoelectric machine

  A synchronous machine is described wherein a fan impels a coolant, typically air, into a first end of the generator and the air is divided into diverse streams which are passed in...

• patent · 3 Apr 1973 · added 2 months ago

  New trapped bushing seal

  A rotary shaft seal is provided with a sealing fluid to seal a process fluid. The sealing fluid is admitted at a pressure just slightly higher than the pressure of the process flui...

• patent · 14 Jan 1975 · added 2 months ago

  Rotating electric machine with reduced cogging

  A rotating electric machine of the multipole type which has a permanent magnet rotor magnetized in such a way that the number of stator salient poles is less than the number of per...

• patent · 17 Jul 1973 · added 2 months ago

  Mechanical seals and or thrust bearings

  The invention relates to a mechanical seal and/or thrust bearing and comprises a thrust disc mounted on a shaft and providing a first bearing surface, and a cylinder providing an a...

• patent · 22 May 1973 · added 2 months ago

  Electric motor with hollow rotor and method of fabricating the hollow rotor

  An electric motor with a hollow rotor is described whose armature winding is arranged on an extremely thin-walled tubular winding support. The stationary ferromagnetic core of the...

• patent · 23 Sep 1969 · added 2 months ago

  Rotating shaft seal

  Machine transcription of the US3468548 patent scan, 4 pages.

• patent · 16 Jan 1968 · added 2 months ago

  Fluid mounted shaft seal

  Machine transcription of the US3363910 patent scan, 5 pages.

• patent · 23 Jan 1968 · added 2 months ago

  Seal packing fluid seals for extrusion machines

  Machine transcription of the US3364523 patent scan, 4 pages.

• patent · 10 May 1966 · added 2 months ago

  Ventilated motor

  Machine transcription of the US3250926 patent scan, 5 pages.

• patent · 16 Jul 1968 · added 2 months ago

  Seal

  Machine transcription of the US3392910 patent scan, 9 pages.

• patent · 5 May 1964 · added 2 months ago

  Fluid-tight devices for rotating shafts

  Machine transcription of the US3131942 patent scan, 5 pages.

• patent · 30 Nov 1965 · added 2 months ago

  Core for dynamoelectric machines

  Machine transcription of the US3221195 patent scan, 3 pages.

• patent · 2 Feb 1965 · added 2 months ago

  Permanent magnet

  Machine transcription of the US3168686 patent scan, 6 pages.

• patent · 17 Oct 1961 · added 2 months ago

  Shaft seal

  Machine transcription of the US3004782 patent scan, 3 pages.

• patent · 8 Jan 1963 · added 2 months ago

  Rotor having a plurality of permanent magnets arranged on their periphery

  Machine transcription of the US3072813 patent scan, 3 pages.

• patent · 8 Sep 1959 · added 2 months ago

  Dynamo-electric machine field magnet construction with split poles

  Machine transcription of the US2903610 patent scan, 6 pages.

• patent · 26 Mar 1963 · added 2 months ago

  Converters and circuits for high frequency fluorescent lighting

  Machine transcription of the US3083311 patent scan, 7 pages.

• patent · 20 Mar 1956 · added 2 months ago

  Permanent magnet rotor

  Machine transcription of the US2739253 patent scan, 3 pages.

• patent · 13 Oct 1953 · added 2 months ago

  Alternating current generator

  Machine transcription of the US2655611 patent scan, 5 pages.

• patent · 8 Jul 1958 · added 2 months ago

  Rotor blade with deicing means

  Machine transcription of the US2842214 patent scan, 6 pages.

• patent · 10 Sep 1957 · added 2 months ago

  Rotor and method of making the same

  Machine transcription of the US2806160 patent scan, 6 pages.

• patent · 7 Feb 1950 · added 2 months ago

  Bearing and seal assembly for turbines

  Machine transcription of the US2496897 patent scan, 4 pages.

• patent · 10 May 1949 · added 2 months ago

  Bearing and seal assembly for turbines

  Machine transcription of the US2469734 patent scan, 5 pages.

• patent · 31 Oct 1939 · added 2 months ago

  Electric generator

  Machine transcription of the US2177801 patent scan, 3 pages.