Walter Last is a notable inventor based in Mishawaka, IN (US). He has made significant contributions to the field of automotive technology, particularly in brake systems. With a total of 2 patents to his name, Last has demonstrated his innovative spirit and technical expertise.

Latest Patents

One of Walter Last's latest patents is for a plunger connector used in brake boosters. This innovative brake booster features a housing that is divided into a first chamber and a second chamber by a wall connected to a hub. The hub contains a cylindrical body with an axial bore that retains a control valve. This valve sequentially connects the first chamber with the second chamber, allowing for the equalization of fluid pressure. This design defines a first mode of operation and interrupts communication between the chambers while connecting the second chamber to the surrounding environment. This allows air to enter the second chamber, creating a pressure differential across the wall, which defines a second mode of operation. The pressure differential acts on the wall to develop an output force that pressurizes fluid to effect a brake application. The brake booster is characterized by a first input member responsive to a manual input and a second input member responsive to an ECU. This setup moves the control valve from the first mode to the second mode, respectively developing first and second brake applications. A switch carried by the hub is activated during the second brake application, providing the ECU with a signal confirming the development of the second brake application. An input force applied to the first input member deactivates the switch, signaling the ECU to terminate the second brake application and place the development of the first brake application under the control of the operator.

Career Highlights

Walter Last is currently employed at Robert Bosch, a leading company in automotive technology. His work at Bosch has allowed him to focus on innovative solutions that enhance vehicle safety and performance.

Collaborations

Throughout his career, Walter Last has collaborated with talented individuals such as Mark Lacosse and Charles Horner. These collaborations have contributed to the development of advanced technologies in the automotive sector.

Conclusion

Walter Last is a distinguished inventor whose work in brake booster technology has made a significant impact on automotive safety. His innovative designs and patents reflect his commitment to enhancing vehicle performance and reliability.

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