Compressor provided with an improved piston
US6164937A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 18, 1999 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Jun 18, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B39/0005
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Electric compressor comprising a piston provided with a respective head and a valve plate mounted between the head and the body of the cylinder and provided with a gas suction port, the head being provided with a protrusion adapted to be intermittently introduced in the suction port substantially in the top dead-center position of the piston. The piston is provided externally, in the portion thereof which is opposite to the head side, with a recess that is accessible from the outside and is orientated towards the inner volume of the piston, the recess penetrating the body of the piston down to a depth which is at least equal to the height of the protrusion above the plane of the head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.