Depressurizer
First Claim
1. A depressurizer mountable to a filling hose for filling hydrogen from a hydrogen filling apparatus to a vehicle, the depressurizer comprising:
- a main body portion in which a hydrogen gas passage is formed, said main body portion made of metal and including a relief circuit and a tapered depressurizing communication hole formed therein, said tapered depressurizing communication hole communicating with the hydrogen gas passage and having a tapered wall extending between the hydrogen gas passage and the relief circuit; and
a plug capable of being inserted into the depressurizing communication hole, said plug made of metal and being tapered and complementary in shape to the tapered depressurizing communication hole.
1 Assignment
0 Petitions
Accused Products
Abstract
To provide a depressurizer with a function of depressurizing a filling hose separated from a filling device when a safety device (safety joint) operates (separates). A depressurizers (10, 11) according to the present invention are mounted to a filling hose (21) for filling hydrogen from a hydrogen filling apparatus (100) to a vehicle. In the present invention, it is preferable that on a main body portion (1) of the depressurizers (10, 11) is formed a depressurizing communication hole (1B) communicating with a hydrogen gas passage (1A); a plug (2) that can be inserted into the depressurizing communication hole (1B) is mounted; and on the depressurizing communication hole (1B) and the plug (2) are formed tapered portions (a pin tapered portion 2B of the plug 2 and a tapered portion 1BB of the depressurizing communication hole 1B) with complementary shapes.
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Citations
9 Claims
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1. A depressurizer mountable to a filling hose for filling hydrogen from a hydrogen filling apparatus to a vehicle, the depressurizer comprising:
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a main body portion in which a hydrogen gas passage is formed, said main body portion made of metal and including a relief circuit and a tapered depressurizing communication hole formed therein, said tapered depressurizing communication hole communicating with the hydrogen gas passage and having a tapered wall extending between the hydrogen gas passage and the relief circuit; and a plug capable of being inserted into the depressurizing communication hole, said plug made of metal and being tapered and complementary in shape to the tapered depressurizing communication hole. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification