Radiator for a vehicle engine
AssigneesYamaha Hatsudoki Kabushiki Kaisha, Nippon Denso Co., Ltd.
InventorsIsao Kinoshita, Tosio Nagara, Tosiro Kaziwara
Life of this patent
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Abstract
The radiator comprises a radiator cap for closing a cooling medium supply port, valve means for permitting the interior of a radiator body to communicate with the open air, locking means operatively associated with the valve means and for locking the radiator cap to the radiator body, and a key for actuating the locking means, whereby the valve means is opened simultaneously with the time when the locking means has been unlocked by the key.
Claims16
A radiator for a vehicle engine comprising a radiator body having a mouth portion forming a cooling medium supply port, a radiator cap for closing said cooling medium supply port, said mouth portion having passage means to permit said cooling medium supply port to communicate with the open air, valve means for normally closing said passage means, locking means for locking said radiator cap to said mouth portion and operatively associated with said valve means so as to compulsively open said valve means irrespective of the interior pressure level of said radiator, and a key for actuating said locking means.
A radiator cap for closing the mouth of a supply port of a vehicle engine radiator of a type having a lower valve seat and an upper valve seat, said cap comprising:
- a cap body;
- a spring-biassed seal member attached to the body and adapted to bear downward against the upper seat;
- a key cylinder through the body which is slidable relative to the body;
- pressure valve means loosely fitted at the bottom of said key cylinder;
- first spring-biassed means adapted to urge said pressure valve means to seat against said lower valve seat;
- a vacuum valve body movable toward and away from the lower side of said pressure valve means;
- second spring-biassed means urging said vacuum valve body into contact with said lower side of said pressure valve means;
- and
- means for attaching said cap body to the mouth of the supply port.
Dependencies are inferred from the claim text.