{"id":5169,"date":"2025-12-17T13:11:24","date_gmt":"2025-12-17T20:11:24","guid":{"rendered":"https:\/\/www.hitechseals.com\/?p=5169"},"modified":"2026-04-17T15:22:52","modified_gmt":"2026-04-17T21:22:52","slug":"improved-engine-performance-with-double-lip-oil-seals","status":"publish","type":"post","link":"https:\/\/www.hitechseals.com\/improved-engine-performance-with-double-lip-oil-seals\/","title":{"rendered":"Improved Engine Performance with Double Lip Oil Seals"},"content":{"rendered":"Reviewed by Brian Benkendorf\u00a0<\/a>\r\n\r\nIn automotive engineering, every component plays a critical role in ensuring vehicle performance and reliability. This case study outlines how Hi-Tech Seals provided an effective solution to Formule ETS\u2019 issue with elastomer seals that could not withstand the operational demands of their machinery.\r\n\r\nCustomer Profile<\/strong>\u202f\u202f\u202f\u202f\u00a0<\/strong>\r\n\r\nThe customer is Formule ETS, a team of engineering students from the \u00c9cole de technologie sup\u00e9rieure in Montreal. For over 36 years, Formule ETS has been designing and building racing prototypes with a performance-focused approach. Their prototypes have been recognized internationally as complex and accomplished vehicles, and the team itself as forward-thinking that pushes the limits of performance to a professional standard. They compete internationally every year at FSAE and Formula Student competitions.\r\n\r\nApplication<\/strong>\u202f\u202f\u202f\u00a0<\/strong>\r\n\r\nThe sealing ring is located between the rotor and the motor housing of their new electric prototype platform. The seal isolates the lubricant used in the transmission from the internal components of the motor. This vehicle model required a more rigorous design and manufacturing process to enhance quality, safety, and efficiency.\r\n\r\nThe Challenge <\/strong>\r\n\r\nFormule ETS\u2019 challenge was to look for seals capable of withstanding the high temperatures and speeds that were demanded by their electric race car. Previously used elastomers degraded under these operating conditions.\r\n\r\nHi-Tech Seals\u2019 Solution<\/strong>\u202f\u202f\u202f\u00a0<\/strong>\r\n\r\nWe collaborated closely with Formule ETS to identify the right sealing solution. During this process, we found that the properties of the elastomer seals they were using did not meet the performance requirements of the vehicle, which led to premature degradation. We supplied them with Double Lip Oil Seals made from specialized materials with properties needed to withstand the vehicle\u2019s high temperatures and speeds.\r\n\r\nA double lip oil seal<\/a> is a rotary shaft seal with two sealing lips oriented in opposite directions along a rotating shaft. The primary lip faces inward to retain lubricant within the housing under continuous shaft rotation. The secondary lip faces outward as an excluder, preventing contaminants such as dust, moisture, and debris from reaching the bearing and internal components.\r\n\r\nIn the Formule ETS engine, a double lip oil seal combined with a specialized high\u2011temperature resistant elastomer retained lubricant and increased sealing integrity under sustained high\u2011speed rotation and thermal cycling.\r\n\r\nThe Results<\/strong>\u202f\u202f\u202f\u00a0<\/strong>\r\n\r\nFormule ETS received the Double Lip Oil Seals and delivered impressive results. This contributed significantly to the overall increase in speed and the success of the engine\u2019s development.\r\n\r\n\"\"","protected":false},"excerpt":{"rendered":"

Reviewed by Brian Benkendorf\u00a0 In automotive engineering, every component plays a critical role in ensuring vehicle performance and reliability. 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