# US 2026/0100672 A1 · Bearing housing adaptor for solar tracker > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0100672 A1 - Document ID: US20260100672A1 - Status: Published application - Kind: A1 - Application number: 19/348,936 - Filed: 2025-10-03 - Published: 2026-04-09 - Earliest claimed: 2024-10-07 - Applicants: Nextracker LLC - Inventors: Raghavendra Praveen Maddulapalli; Abhimanyu Anil Sable - Web page: https://patentgrep.com/patent/US20260100672A1 ## CPC - F24S 30/425: Horizontal axis - H02S 20/32: specially adapted for solar tracking - F24S 30/00: Arrangements for moving or orienting solar heat collector modules - H02S 20/20: Supporting structures directly fixed to an immovable object (H02S20/30 takes precedence) - F24S 2030/15: {Bearings} - Y02E 10/47: Mountings or tracking - F24S: SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS (for producing mechanical power from solar energy F03G6/00) - H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A solar tracker bearing housing assembly includes a bearing housing and a bearing housing adaptor. The bearing housing is configured to receive and support a torque tube at the bearing housing. The bearing housing adaptor is configured to couple the bearing housing to a solar tracker A-frame support. The bearing housing adaptor includes an frame coupling portion and an bearing housing coupling portion. The frame coupling portion is configured to couple the bearing housing adaptor to the solar tracker A-frame support. The frame coupling portion includes a frame coupling portion length that extends along the frame coupling portion where the frame coupling portion is configured to interface with and couple to the solar tracker A-frame support. The bearing housing coupling portion is configured to couple the bearing housing adaptor to the bearing housing. ## Claims ### Claim 1 A solar tracker bearing housing assembly comprising: a bearing housing configured to support a torque tube of a solar tracker; and a bearing housing adaptor configured to couple the bearing housing to a tubular support member, the bearing housing adaptor comprising: a frame coupling portion that is configured to couple the bearing housing adaptor to the tubular support member, the frame coupling portion comprising a first coupling portion configured to interface with and couple to the tubular support member, and a bearing housing coupling portion that is configured to couple the bearing housing adaptor to the bearing housing. ### Claim 2 (depends on 1) The assembly of claim 1, wherein the first coupling portion comprises a first coupling portion length that extends along the frame coupling portion where the frame coupling portion is configured to interface with and couple to the tubular support member, wherein the bearing housing coupling portion comprises a bearing housing coupling portion length in a direction parallel to the first coupling portion length, the bearing housing coupling portion length being less than the frame coupling portion length, and the bearing housing coupling portion length narrowing in a direction away from the frame coupling portion, wherein the bearing housing coupling portion comprises a first bearing housing coupling portion face configured to interface with the bearing housing, wherein the bearing housing coupling portion comprises a second bearing housing coupling portion face that is opposite the first bearing housing coupling portion face, and wherein the first bearing housing coupling portion face is oriented non-parallel to the second bearing housing coupling portion face. ### Claim 3 (depends on 2) The assembly of claim 2, wherein the first bearing housing coupling portion face defines a first planar surface, wherein the second bearing housing coupling portion face defines a second planar surface, and wherein the second planar surface is skewed relative to the first planar surface. ### Claim 4 (depends on 3) The assembly of claim 3, wherein the first bearing housing coupling portion face comprises one or more coupling apertures configured to receive at least one fastener to couple the bearing housing coupling portion to the bearing housing. ### Claim 5 (depends on 4) The assembly of claim 4, wherein the one or more coupling apertures comprise a plurlaity of coupling apertures each defined at the first bearing housing coupling portion face. ### Claim 6 (depends on 3) The assembly of claim 3, wherein the first bearing housing coupling portion face and the second bearing housing coupling portion face intersect to form a triangular cross-sectional apex at an end of the bearing housing coupling portion that is opposite the frame coupling portion, and wherein the frame coupling portion length forms the base of a triangular cross-sectional shape having the triangular cross-sectional apex. ### Claim 7 (depends on 2) The assembly of claim 2, wherein the bearing housing coupling portion length is defined between the first bearing housing coupling portion face and the second bearing housing coupling portion face, and wherein the bearing housing coupling portion length narrows moving in a direction away from the frame coupling portion by continuously tapering in the direction away from the frame coupling portion. ### Claim 8 (depends on 2) The assembly of claim 2, wherein the frame coupling portion comprises a first frame coupling portion face extending from the first bearing housing coupling portion face at a non-parallel orientation relative to the first bearing housing coupling portion face, wherein the frame coupling portion comprises a second frame coupling portion face extending from the second bearing housing coupling portion face at a parallel orientation relative to the second bearing housing coupling portion face, and wherein the frame coupling portion length extends between the first frame coupling portion face and the second frame coupling portion face. ### Claim 9 (depends on 8) The assembly of claim 8, wherein the first frame coupling portion face extends from the first bearing housing coupling portion face at angle between ninety and one hundred and eighty degrees. ### Claim 10 (depends on 9) The assembly of claim 9, wherein the frame coupling portion comprises a first frame coupling aperture adjacent to the first frame coupling portion face, and wherein the frame coupling portion comprises a second frame coupling aperture adjacent to the second frame coupling portion face. ### Claim 11 (depends on 10) The assembly of claim 10, wherein the first frame coupling portion face begins to project outward from the first bearing housing coupling portion face at a location aligned with the first frame coupling aperture. ### Claim 12 A system of bearing housing adaptors configured to couple a bearing housing to a tubular support member, the system of bearing housing adaptors comprising: a first bearing housing adaptor comprising: a first frame coupling portion that is configured to couple the first bearing housing adaptor to the tubular support member, and a first bearing housing coupling portion that is configured to couple the first bearing housing adaptor to the bearing housing; and a second bearing housing adaptor comprising: a second frame coupling portion that is configured to couple the second bearing housing adaptor to the tubular support member, and a second bearing housing coupling portion that is configured to couple the second bearing housing adaptor to the bearing housing. ### Claim 13 (depends on 12) The system of claim 12, wherein the first frame coupling portion comprises a first frame coupling portion length extending along the first frame coupling portion where the first frame coupling portion is configured to interface with and couple to the tubular support member, wherein the first bearing housing coupling portion comprises a first bearing housing coupling portion length in a direction parallel to the first frame coupling portion length, the first bearing housing coupling portion length being less than the first frame coupling portion length, and the first bearing housing coupling portion length narrowing in a direction away from the first frame coupling portion, wherein the second frame coupling portion comprises a second frame coupling portion length extending along the second frame coupling portion where the second frame coupling portion is configured to interface with and couple to the tubular support member, wherein the second bearing housing coupling portion comprises a second bearing housing coupling portion length in a direction parallel to the second frame coupling portion length, the second bearing housing coupling portion length being less than the second frame coupling portion length, and the second bearing housing coupling portion length narrowing in a direction away from the second frame coupling portion, wherein the first bearing housing coupling portion is configured to couple the first bearing housing adaptor to a first side of the bearing housing, and wherein the second bearing housing coupling portion is configured to couple the second bearing housing adaptor to a second, opposite side of the bearing housing. ### Claim 14 (depends on 13) The system of claim 13, wherein the first frame coupling portion comprises a first frame coupling aperture, wherein the second frame coupling portion comprises a second frame coupling aperture, wherein the tubular support member comprises a solar tracker A-frame support, and wherein the first frame coupling aperture of the first frame coupling portion is configured to overlap with the second frame coupling aperture of the second frame coupling portion at the solar tracker A-frame support such that a fastener can be received through each of the first frame coupling aperture of the first frame coupling portion and the second frame coupling aperture of the second frame coupling portion at the A-frame support. ### Claim 15 (depends on 12) The system of claim 12, wherein the first bearing housing adaptor is geometrically identical to the second bearing housing adaptor. ### Claim 16 (depends on 12) The system of claim 12, wherein the first bearing housing coupling portion is a first right angle bearing housing coupling portion comprising a cross-sectional geometry that includes a right angle adjacent to the first frame coupling portion, and wherein the second bearing housing coupling portion is a second right angle bearing housing coupling portion comprising a cross-sectional geometry that include a right angle adjacent to the second frame coupling portion. ### Claim 17 A bearing housing adaptor configured to couple a bearing housing to a tubular support member, the bearing housing adaptor comprising: a frame coupling portion that is configured to couple the bearing housing adaptor to the tubular support member, and an bearing housing coupling portion that is configured to couple the bearing housing adaptor to the bearing housing, wherein the bearing housing coupling portion is a right angle bearing housing coupling portion comprising a cross-sectional geometry that includes a right angle adjacent to the first frame coupling portion. ### Claim 18 (depends on 17) The adaptor of claim 17, wherein the bearing housing coupling portion comprises a first bearing housing coupling portion face configured to interface with the bearing housing, wherein the bearing housing coupling portion comprises a second bearing housing coupling portion face that is opposite the first bearing housing coupling portion face, wherein the first bearing housing coupling portion face is oriented non-parallel to the second bearing housing coupling portion face, wherein the first bearing housing coupling portion face defines a first planar surface, wherein the first bearing housing coupling portion comprises a plurality of coupling apertures each defined at the first planar surface of the first bearing housing coupling portion face, wherein the second bearing housing coupling portion face defines a second planar surface, and wherein the second planar surface is skewed relative to the first planar surface. ### Claim 19 (depends on 17) The adaptor of claim 17, wherein the frame coupling portion comprises a frame coupling portion length extending along the frame coupling portion where the frame coupling portion is configured to interface with and couple to the tubular support member, wherein the bearing housing coupling portion comprises a bearing housing coupling portion length in a direction parallel to the frame coupling portion length, the bearing housing coupling portion length being less than the frame coupling portion length, and the bearing housing coupling portion length narrowing in a direction away from the frame coupling portion, wherein the frame coupling portion comprises a first frame coupling portion face extending from the first bearing housing coupling portion face at a non-parallel orientation relative to the first bearing housing coupling portion face, wherein the frame coupling portion comprises a second frame coupling portion face extending from the second bearing housing coupling portion face at a parallel orientation relative to the second bearing housing coupling portion face, and wherein the frame coupling portion length extends between the first frame coupling portion face and the second frame coupling portion face. ### Claim 20 (depends on 19) The adaptor of claim 19, wherein the first frame coupling portion face extends from the first bearing housing coupling portion face at angle between ninety and one hundred and eighty degrees, wherein the frame coupling portion comprises a first frame coupling aperture adjacent to the first frame coupling portion face, and wherein the frame coupling portion comprises a second frame coupling aperture adjacent to the second frame coupling portion face.