Carrier Corporation

Welch Allyn, Inc.

Kenneth A Wright

Vishnu Mohan Sishtla

Ronald J Duppert

Gerard Frederick Beckhusen

William H Lagerway

Mark A McClaude

Christopher Allen Wyker

Jeffrey B Powers

Theresa M West

Frank H Godlewski

Christopher A Wyker

A compressor oil diversion and collection system used in a compressor having a housing, a crankshaft having shaft seals, refrigerant and a compression device for compressing the refrigerant. The system includes a shaft sealing mechanism that uses a lubricant for preventing compressor refrigerant from leaking out of the compressor housing and has a space where the lubricant collects. A diversion mechanism is deployed for directing excess amounts of said lubricant from the space to a receiver for receiving the excess amounts of said lubricant from the diversion mechanism. The receiver may be in the form of an internal cavity which includes a removable cartridge located in the cavity for collecting the excess amounts of said lubricant, an external collection reservoir or an external drainage tube.

Oil leak diversion and collection system for mechanical shaft seals

A ring support system for use in a variable pipe diffuser. The ring support mechanism includes at least three axle shafts and at least three roller bearings rotatably mounted to the axle shafts, an inner ring having a groove disposed in the outside diameter, and an outer ring having a corresponding groove disposed in the inside diameter. The at least three axle shafts are circumferentially mounted in the outer ring such that the rollers are positioned partially within the groove of the outer cylinder such that the roller bearings define a diameter nearly equal to the outside diameter of the inner ring. The inner ring is positioned within the at least three roller bearings such that the at least three roller bearings are in axial sliding contact with the groove of the inner ring and in rolling contact with the groove of the inner ring. The ring support system provides rotational and axial support of the inner ring.

Support mechanism of inner ring for variable pipe diffuser

A drive positioning mechanism for use in a variable pipe diffuser for a centrifugal compressor. A rotational drives means is fixedly attached to the housing of a centrifugal compressor with a pinion gear mounted thereto. A rack gear is mounted to the inner ring and adapted to engage in meshing arrangement with the pinion gear. The rotational drive means is operable to position the inner ring between a fully open position and a partially closed position. A travel limiter is provided to positively limited the travel of the inner ring at the filly open and the partially closed positions.

Drive positioning mechanism for a variable pipe diffuser

There is disclosed an apparatus for illuminating a sensing region having an object therein, comprising a reflector that is elongated in a first plane, the reflector having a width dimension that is less than a width dimension of a sensing region to be illuminated, and further having a first curved profile in the first plane about a center of curvature. In a preferred embodiment the reflector is disposed between the center of curvature and the sensing region. In a second plane which is orthogonal to the first plane and includes the center of curvature, a reflecting surface of the reflector has a second curved profile. A plurality of substantially Lambertian light sources each face the reflector for directing light thereto generally in a direction of the center of curvature for reflection toward the sensing region. The second profile preferably comprises a portion of an ellipse and a light source is disposed substantially at a primary focus thereof. The second profile preferably has a gap for transmitting retroreflected light generated within the sensing region therethrough. An upper portion of the second profile comprises a portion of a first surface of revolution selected from the group of ellipse and parabola, and the lower portion of the second profile can comprise a portion of a second surface of revolution selected from the group of ellipse and parabola, a light source being disposed at a focus of each of the first surface of revolution and the second surface of revolution. The assembly is combined in a scanner for reading optical patterns.

Illumination system for optical reader

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Syracuse, NY, United States of America

Kenneth A Wright