Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1998-06-25
1999-09-14
Argenbright, Tony M.
Internal-combustion engines
Lubricators
Crankcase, pressure control
123196R, 123196A, 184 621, 184 66, 184 221, F01M 902
Patent
active
059505915
ABSTRACT:
According to the present invention, there is provided an engine oil deterioration preventing agent comprising, an addition agent for preventing a deterioration of an engine oil, and a housing body for housing the addition agent therein to discharge the addition agent to the engine oil when the engine oil is deteriorated.
REFERENCES:
patent: 2389555 (1945-11-01), Sharples
patent: 3356182 (1967-12-01), Robinson et al.
patent: 5327861 (1994-07-01), Rogalla et al.
Kageyama Yuji
Kinugasa Yukio
Takahashi Akihiro
Argenbright Tony M.
Gimie Mahmoud M.
Toyota Jidosha & Kabushiki Kaisha
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