ElringKlinger has been granted a patent for a housing cover with a sealing bead and deformation limiting element for power inverter housings. The design allows for more flexibility in the sealing bead’s layout and prevents excessive deformation, enhancing the overall performance and durability of the housing cover. GlobalData’s report on ElringKlinger 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 ElringKlinger, Hydrogen fuel cells was a key innovation area identified from patents. ElringKlinger's grant share as of May 2024 was 32%. Grant share is based on the ratio of number of grants to total number of patents.
Housing cover with sealing bead and deformation limiting element
A recently granted patent (Publication Number: US11991849B2) discloses a housing cover designed for attachment to a housing, specifically a power inverter housing. The housing cover features multiple fastening means through-openings and a sealing bead made of elastomeric material. What sets this housing cover apart is the inclusion of at least one deformation limiting element that extends over the seal bearing surface, restricting the deformation of the sealing bead when the cover is assembled. This element also extends along the circumferential direction of a fastening means through-opening by at least 160°, enhancing the overall structural integrity of the housing cover.
Furthermore, the patent details various configurations and features of the housing cover, such as the reshaping of the base body to create the deformation limiting element, the annular arrangement of the element around fastening means through-openings, and the presence of multiple deformation limiting elements spaced along the peripheral direction of the cover. These elements, along with the sealing bead's annular closed configuration and the association of a recess with the deformation limiting element, contribute to the overall effectiveness and durability of the housing cover. The patent highlights the importance of these design elements in ensuring a secure and reliable housing cover for power inverter applications, emphasizing the innovative approach taken to address deformation issues in such components.
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