Ibiranga uburyo bwo gukurura umwuka n'ibisohoka bya vacuum booster. Hari aho influence ihurirana n'ibipimo bitandukanye bya vacuum kuri iyi shusho, yitwa maximum power assist point, ni ukuvuga aho itandukaniro ry'umuvuduko rikora kuri servo diaphragm rigera ku rwego rwo hejuru uko imbaraga zo kwinjira ziyongera. Kuva icyo gihe, kwiyongera kw'imbaraga zo gusohoka bingana no kwiyongera kw'imbaraga zo kwinjira.
Dukurikije QC/T307-1999 "Ibisabwa mu buhanga ku gikoresho cyo gukamura umwuka", ingano y'ingufu z'ingufu z'ingufu mu gihe cy'igeragezwa ni 66.7±1.3kPa (500±10mmHg). Ibiranga inyinjizwa n'isohoka ry'inyufu z'ingu ...