Back to results
US 6,705,207 B2Granted
Piston type compressor
AssigneeKabushiki Kaisha Toyota Jidoshokki
InventorsMasakazu Murase, Tatsuya Koide, Takayuki Imai
Life of this patent
Estimating the term…
Abstract
A piston type compressor has a housing, a cylinder block and a piston. The cylinder block is fixed to the housing. The piston is accommodated in the cylinder block. A piston ring is provided between the cylinder block and the piston. A sealing coat is made of soft metal, and is provided between the piston ring and the piston.
Claims13
A piston type compressor comprising:
- a housing;
- a cylinder block fixed to the housing;
- a piston accommodated in the cylinder block;
- a piston ring provided between the cylinder block and the piston;
- and
- a sealing coat made of soft metal, provided between the piston ring and the piston.
3 more elements
A method of forming a sealing coat on a surface of a groove on a piston comprising the steps of:
- forming a coat made of fluoro resin on the outer circumferential surface of the piston;
- recessing a groove for accommodating a piston ring on the outer circumferential surface of the piston by machining;
- and
- immersing the piston in soft metal.
1 more element
Dependencies are inferred from the claim text.