HIGH-PRESSURE FUEL PUMP

To provide a high-pressure fuel pump capable of ensuring good magnetic properties and reliability for cracking. Therefore, the fixed core 39 is precipitation hardening type ferritic stainless steel (ferritic precipitation hardening type metal). The anchor 36 is precipitation hardening type ferritic...

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Bibliographic Details
Main Authors KUSAKABE, Ryo, USUI, Satoshi, TOKUO, Kenichiro
Format Patent
LanguageEnglish
Published 06.08.2020
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Summary:To provide a high-pressure fuel pump capable of ensuring good magnetic properties and reliability for cracking. Therefore, the fixed core 39 is precipitation hardening type ferritic stainless steel (ferritic precipitation hardening type metal). The anchor 36 is precipitation hardening type ferritic stainless steel attracted by the magnetic attraction force of the fixed core 39. The outer core 38 has an inner peripheral surface on which the outer peripheral surface of the anchor 36 slides. The seal ring 48 is formed of a material having hardness lower than that of the fixed core 39 and the anchor 36, and connects the fixed core 39 and the outer core 38.
Bibliography:Application Number: US201816756160