What's new — Stan's Legacy

patent · 24 Jul 1973 · added 2 months ago

Treating articles for a controlled duration

In a method and apparatus for baking photoresist on semiconductor slices, the length of baking time is controlled independently of the number of slices being baked or the position...

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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 16 Jan 1968 · added 2 months ago