Patent · US Expired

Device for feeding oil to a bearing seat of a rotatable shaft

US7367429B2 · kind B2 · utility

3Cited by

4References

4Claims

0Family size

Assignee

PFEIFFER VACUUM · FR

Inventors

Armin Blecker · Aßlar, DE
Heinrich Lotz · Wetzlar, DE

Key dates

Filing date	May 6, 2004
Grant date	May 6, 2008
Priority date	—
Expiry date	May 18, 2026

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C33/6685
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A device for feeding oil to a seat of a bearing (5) that supports a rotatable shaft (3) includes an annular oil reservoir (14) surrounding a seat of the bearing (5), an oil pump (8) having two spindles (10, 11) with oppositely extending, respectively feeding channels, oil delivery conduit means (20); and oil return conduit (24, 25, 26, 27) provided on axially opposite sides of the bearing seat.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.