Back to results
US 12,331,780 B2Granted
Bearing block and method of forming
AssigneeSaint-Gobain Ceramics & Plastics, Inc.
InventorsJulio Cesar T. Spadaccia, Ethan Weikleenget, Brian K. Malpass, Raymond J. Remillard
Life of this patent
Estimating the term…
Abstract
A bearing block can include a body including an exterior surface and an interior surface defining a central bore of the body. The exterior surface can include a first material, and the interior surface can include a second material, wherein the first material can be different than the second material.
Claims16
A bearing block, comprising:
- a body including:
- an outer portion defining an exterior surface of the body;
- and
- an inner portion coupled to the outer portion and extending coaxially with the outer portion, wherein the inner portion defines a central bore and an interior surface of the body,
- wherein the outer portion includes a first ceramic material, and the inner portion includes a second ceramic material;
- and
- wherein the first ceramic material has a different grain size distribution than the second ceramic material.
4 more elements
A bearing block, comprising:
- a body including:
- an exterior surface defined by a first ceramic material,
- an interior surface defining a central bore of the body, wherein the interior surface is defined by a second ceramic material,
- wherein the first ceramic material has a different characteristic than the second ceramic material, wherein the characteristic comprises:
- Modulus of Rupture;
- apparent porosity;
- coefficient of thermal expansion;
- or
- any combination thereof;
- and
- wherein the first ceramic material has a different grain size
- distribution than the second ceramic material.
9 more elements
A bearing block, comprising:
- a body including:
- an outer portion defining an exterior surface of the body;
- and
- an inner portion coupled to the outer portion and extending coaxially with the outer portion, wherein the inner portion defines a central bore and an interior surface of the body,
- wherein the outer portion includes a first ceramic material, and the inner portion includes a second ceramic material;
- and
- wherein the first ceramic material comprises:
- a first type of coarse grains having grain sizes in a range from 150 microns to 1500 microns;
- a second type of coarse grains having grain sizes in a range from 20 microns to 150 microns;
- and
- fine grains having grain sizes in a range from 0.1 microns to 10 microns.
8 more elements
Dependencies are inferred from the claim text.