Shut-off valve for an electromagnetic pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4778357
SERIAL NO

07087952

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Abstract

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In an electromagnetic pump, the inner end of an outlet pipe fixed in a pump housing extends for a predetermined length inside a sleeve housing a plunger to form a pump delivery pulsation absorption chamber around the outlet pipe. The inner end opening of this pipe is selectively closed by a control valve serving as a guide member for slidably guiding a valve body of a delivery valve along the axial direction. The fuel leakage prevention control valve and the pulsation absorption chamber are simply and optimally formed with a single construction.

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Patent Owner(s)

Patent OwnerAddress
JIDOSHA KIKI CO LTDSHIBUYA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Takatoshi Saitama, JP 6 69
Idei, Michio Saitama, JP 3 42

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