Company Filing History:
Years Active: 1987-2009
Title: Innovations of Volker Holzgrefe: A Pioneer in Fuel Injection Technology
Introduction
Volker Holzgrefe, an innovative inventor based in Ditzingen, Germany, has made significant advancements in the field of fuel injection systems for internal combustion engines. With a total of 11 patents to his name, Holzgrefe has contributed to enhancing the efficiency and functionality of fuel injectors, playing a crucial role in the automotive industry.
Latest Patents
Among his recent innovations, Holzgrefe's patents focus on sophisticated fuel injection valves. One of his notable designs features a fuel injector equipped with a valve needle guided in a nozzle body. This assembly includes an actuator that controls the valve needle, while a restoring spring ensures that the valve-closure member remains in sealing contact against the valve-seat surface. Furthermore, this design incorporates a projection at the downstream end of the fuel injector that enhances the operational efficiency of the injector.
Another impressive invention is a fuel injector for fuel-injection systems, which integrates a solenoid coil and a valve needle linked to the coil. The valve needle, assisted by a restoring spring in the closing direction, actuates a valve-closure member that creates a sealing seat in conjunction with a valve-seat member. This design also introduces multiple spray-discharge orifices, strategically connected to capillaries in the end face of the valve-seat member, improving the spray pattern and fuel atomization.
Career Highlights
Holzgrefe is a key member of Robert Bosch GmbH, a leading multinational engineering and technology company renowned for its innovations in automotive components. His work at Bosch reflects a commitment to developing advanced technologies that address contemporary challenges in the automotive sector, contributing to more efficient and environmentally friendly solutions.
Collaborations
Throughout his career, Holzgrefe has worked alongside notable colleagues, including Nikolaus Simon and Ewald Ziegler. These collaborations have enriched his inventions, combining their diverse expertise to push the boundaries of fuel injector technology further.
Conclusion
Volker Holzgrefe stands out as a prominent inventor whose contributions to fuel injection technology have paved the way for advancements in engine performance and efficiency. With 11 patents to his credit, he continues to drive innovation at Robert Bosch GmbH, shaping the future of automotive engineering through his visionary solutions.
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