PORTABLE VACUUM PUMP DEVICE

• Main Authors: OHASHI TOMOFUMI, SUWA SHIGERU
• Format: Patent
• Language: English
• Published: 05.07.2007
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

PROBLEM TO BE SOLVED: To provide a portable vacuum pump device used to easily evacuate air from the pipe for chlorofluorocarbon gas of an air conditioner. SOLUTION: This portable vacuum pump device 1 is used to evacuate air from the pipe for chlorofluorocarbon gas of the air conditioner. The vacuum...