KKR has been granted a patent for a heat-protection element designed for gas turbines, particularly aircraft gas turbines. The element surrounds a bearing chamber, with connecting, supporting, and end portions ensuring protection without direct contact. GlobalData’s report on KKR gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on KKR, was a key innovation area identified from patents. KKR's grant share as of May 2024 was 48%. Grant share is based on the ratio of number of grants to total number of patents.
Heat-protection element for gas turbine bearing chamber
A recently granted patent (Publication Number: US11988106B2) discloses a gas turbine design featuring a unique heat-protection element for the bearing chamber. The heat-protection element is designed to partially surround the bearing chamber and includes connecting portions, supporting portions, and an end portion. The design allows for a material-to-material bond with a protective element of a seal carrier, radial support on the bearing chamber, and contactless surrounding of the bearing chamber by the end portion. Additionally, the heat-protection element can be configured as a single piece, forming a heat-protection unit attachable to an axially forward flange portion of the bearing chamber, which can be slid onto or removed from the bearing chamber from an axially forward end.
Furthermore, the patent details various configurations and features of the heat-protection element, including circumferentially distributed connecting portions, radially inwardly formed corrugations serving as supporting portions, and a circumferential supporting portion contactable with an annular sealing device like a rope seal. The design also allows for the heat-protection element to be provided in the region of a turbine center frame or as part of a turbine center frame. Additionally, the patent covers variations of the gas turbine design, such as one including a carbon seal in the seal carrier and a standalone heat-protection element for a gas turbine with similar features as part of a heat-protection unit for a bearing chamber.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
