Patent ID: 11913536
Assignee: VALMONT INDUSTRIES, INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  A | IPC A  F

Claim 0:
1. A gearbox assembly, wherein the gearbox assembly comprises:
a gearbox, wherein the gearbox comprises a gearbox vent enclosure; wherein the gearbox vent enclosure comprises a gearbox vent channel and a gearbox vent outlet;
an expansion cap, wherein the expansion cap comprises an expansion cap cavity which encloses a first volume of air; wherein the expansion cap is attached to a top surface of the gearbox; wherein the expansion cap comprises an expansion cap vent enclosure; wherein the expansion cap vent enclosure comprises a first vent plug passage and an expansion cap vent channel; wherein the first vent plug passage is in gaseous communication with the expansion cap cavity; wherein the first vent plug passage is further in gaseous communication with the expansion cap vent channel;
a first vent plug; wherein the first vent plug is removably inserted into the first vent plug passage; wherein the expansion cap vent channel is further in gaseous communication with the gearbox vent channel; wherein the gearbox vent channel is in gaseous communication with an atmosphere external to the gearbox assembly via the gearbox vent outlet;
a central gasket, wherein the central gasket is secured between the expansion cap and the gearbox;
wherein the expansion cap vent channel extends from the first vent plug passage and through the expansion cap vent enclosure; wherein the expansion cap vent channel is located to align with and mate with the gearbox vent channel.