Porsche patents hybrid cooling concept

Porsche has patented a new engine-cooling concept that borrows from the company’s air-cooled past while keeping a modern liquid-cooling system in place, according to an Autoblog report published May 17. The filing describes an engine surrounded by an airflow housing, with a large fan pulling air across cooling fins mounted to the engine. Autoblog reported the design could reduce the size of front radiators and lower aerodynamic drag in future models. (newsroom.porsche.com) The report linked the concept to Porsche’s broader hybrid push, which already includes the production 911 Carrera GTS T-Hybrid. (autoblog.com) ### What exactly did Porsche patent? Autoblog reported on May 17 that Porsche’s filing describes a “hybrid” cooling layout rather than a return to a fully air-cooled flat-six. The system uses directed airflow around the engine and cooling fins on the engine itself, while still retaining liquid cooling for part of the thermal load. The patent, as summarized by Autoblog, also extends that airflow-based cooling to heat-intensive components including the exhaust system and turbochargers. That arrangement could reduce how much work is left for conventional radiators, the report said. (autoblog.com) ### How is this different from the old air-cooled 911? The 993 was the last 911 generation to use an air-cooled flat-six before Porsche moved to the water-cooled 996 in 1997, Autoblog said. The new patent does not reverse that change; it combines airflow management with liquid cooling rather than replacing water cooling altogether. (autoblog.com) Porsche’s shift to water cooling in the late 1990s allowed the company to meet tighter emissions and noise rules while raising performance, Autoblog said. The new filing, as described in that report, appears aimed at recovering some packaging and airflow advantages associated with older layouts without abandoning current engineering requirements. (autoblog.com) ### Why does radiator size matter in a modern Porsche? Autoblog said smaller radiators could free up space at the front of the car and reduce drag. In a rear-engine 911 or a mid-engine sports car, any reduction in front-end cooling hardware can affect airflow routing and body packaging. (autoblog.com) Porsche’s current 911 Carrera GTS became the first street-legal 911 with a production hybrid system on May 28, 2024, when the company unveiled the T-Hybrid model. Porsche said that car uses a newly developed 3.6-liter six-cylinder boxer engine, an electrically driven turbocharger and an electric motor integrated in the transmission. (autoblog.com) ### Which future models could use the layout? Autoblog said the patent drawings show both rear- and mid-engine applications. That makes future 911 variants and a possible internal-combustion 718 successor the most obvious candidates if Porsche chooses to develop the concept for production, according to the report. (autoblog.com) Porsche has not said publicly that the patented design will reach showrooms. Patent filings often protect engineering ideas that never become production parts, and Autoblog framed the document as an early look at a possible direction rather than a confirmed model plan. (newsroom.porsche.com) ### How does this fit Porsche’s current hybrid program? Porsche said in its May 28, 2024 launch materials that the 911 Carrera GTS was the first production 911 to use the company’s lightweight T-Hybrid system. The company said engineers drew on motorsport experience in developing that setup. (autoblog.com) Porsche’s own materials describe T-Hybrid as part of its electrification strategy for high-performance road cars. The cooling patent reported by Autoblog does not announce a new model, but it sits alongside a product line in which thermal management is becoming more important as hybrid hardware is added to tightly packaged sports cars. (autoblog.com) That connection is an inference based on Porsche’s existing hybrid rollout and Autoblog’s description of the filing. ### What comes next? May 17 is the date of Autoblog’s report, and May 28, 2024 is the date Porsche introduced the 911 Carrera GTS T-Hybrid, the company’s first hybrid 911. (newsroom.porsche.com) The next concrete step for this cooling concept would be a later Porsche filing, prototype appearance or model announcement tying the design to a named vehicle program. (autoblog.com) (newsroom.porsche.com)