发明名称 |
Automatic device to regulate the vacuum pressure varying the rotation speed of the vacuum pump electrically powered, through the frequency variation of the power supply |
摘要 |
An automatic device to regulate and maintain stable the vacuum pressure varying the rotation speed of a vacuum pump. The device controls frequency variation of the current that powers its operation motor. The device may be used in installations of machine oerdeñadoras de animales, fixed and portable and other vacuum operated equipment or installations.
|
申请公布号 |
US2001028849(A1) |
申请公布日期 |
2001.10.11 |
申请号 |
US20010793546 |
申请日期 |
2001.02.27 |
申请人 |
AGUIRRE GUILLERMO |
发明人 |
AGUIRRE GUILLERMO |
分类号 |
F04B49/20;G05D16/20;(IPC1-7):F04B49/00 |
主分类号 |
F04B49/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|