초록 ▼

An electric vehicle cell featuring internal pressure relief and spring disengagement devices which vent various internal pressures to atmosphere to prevent cell bulging or explosion and which also internally interrupt current flow through the cell due to internal overheat, excessive current draw and

An electric vehicle cell featuring internal pressure relief and spring disengagement devices which vent various internal pressures to atmosphere to prevent cell bulging or explosion and which also internally interrupt current flow through the cell due to internal overheat, excessive current draw and the like. Internal reconnection of cell members reoccurs subsequent to internal thermal and other abnormalities. The electric vehicle cell contains an electrolyte which is introduced into the cell casing by a method involving the use of apparatus including a filling fixture having an electrolyte fill line and a vacuum line for vacuum assisted filling.

대표청구항 ▼

[ We claim:] [1.] A filling fixture for vacuum assisted filling of a battery cell, having a cell casing and an internal electrode assembly, with an electrolyte, comprising:a. a vacuum housing having a hollow interior defined by a peripheral wall having an outer surface and an inner surface, said vac

[ We claim:] [1.] A filling fixture for vacuum assisted filling of a battery cell, having a cell casing and an internal electrode assembly, with an electrolyte, comprising:a. a vacuum housing having a hollow interior defined by a peripheral wall having an outer surface and an inner surface, said vacuum housing having first and second ends;b. a cap closing said first end of said vacuum housing;c. a reciprocatable can seal body at said second end of said vacuum housing, said reciprocatable can seal body including a major diameter portion slidably engaging said inner surface of said peripheral wall of said vacuum housing and a minor diameter portion integral with said major diameter portion and having an end protruding outwardly from said second end of said vacuum housing;d. a central passageway extending completely through said reciprocatable can seal body;e. a valve stem mounting disk fixedly positioned within said vacuum housing beneath said cap at said first end of said vacuum housing;f. a valve stem attached to said valve stem mounting disk and extending therefrom toward said reciprocatable can seal body, said valve stem having a free end with a seal affixed thereto, said seal being aligned with said central passageway of said reciprocatable can seal body;g. a spring aligned over said valve stem and having ends bearing against said valve stem mounting disk and said reciprocatable can seal body;h. a vacuum line passing through said peripheral wall of said vacuum housing and communicating with said hollow interior of said vacuum housing; andi. an electrolyte fill line communicating with said central passageway of said reciprocatable can seal body.