\ProvidesPackage{mychapterstyle}
\def\@makechapterhead#1{%
  \vspace*{10\p@}%
  {\parindent \z@ \raggedright \normalfont
    \ifnum \c@secnumdepth >\m@ne
        \huge\bfseries \@chapapp\space \thechapter
%        \par\nobreak
%        \vskip 20\p@
    \fi
%    \interlinepenalty\@M
\quad
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}
