Piston limiting structure, compressor, and heat exchange apparatus

US11788530B2 · kind B2 · utility

Assignee

• GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI · CN

Inventors

• Yusheng Hu · Beijing, CN
• Huijun Wei · Longbeilingcun, CN
• Jia Xu · Zhuhai, CN
• Zhongcheng Du · Zhuhai, CN
• Sen Yang · Zhuhai, CN
• Zhi Li · 红钢城街道, CN
• Liping Ren · Tangxia, CN
• Shebing Ren · Longbeilingcun, CN
• Shebing Liang · Zhuhai, CN
• Rongting Zhang · Zhuhai, CN
• Zhengliang Shi · Zhuhai, CN
• Ning Ding · Beijing, CN
• Shuang Guo · Kunshan, CN
• Liping LIAO · Longbeilingcun, CN

Key dates

• Filing date: Sep 9, 2019
• Grant date: Oct 17, 2023
• Expiry date: Mar 6, 2040

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F04C2270/17
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

Some embodiments of a disclosure provide a piston limiting structure, a compressor, and a heat exchange apparatus. The piston limiting structure includes: a cylinder, having a piston hole perpendicular to an axial direction of the cylinder and penetrating the cylinder, wherein a projection of the piston hole in a penetrating direction is circular; a piston, disposed in the piston hole and slid in the piston hole, wherein a side wall of the piston is provided with a limiting surface, and the limiting surface does not penetrate two ends of the side wall of the piston along an axial length of the piston; and a limiting member, wherein the cylinder is provided with a limiting hole penetrating from an outer wall of the cylinder to the piston hole, the limiting member is mounted in the limiting hole, and the limiting member abuts against the limiting surface.