Ex parte BALCAREK et al. - Page 8




                    Appeal No. 95-4738                                                                                                                                    
                    Application No. 08/146,868                                                                                                                            


                                                                             APPENDIX                                                                                     

                                        1.  A pressure sensor comprising:                                                                                                 
                                        a metallic housing having a bottom wall formed with a                                                                             
                    fluid pressure inlet in the bottom wall and having a sidewall                                                                                         
                    extending upwardly from the bottom wall to a distal end,                                                                                              
                                        a pressure sensing module having a pressure responsive                                                                            
                    surface communicating with the fluid pressure inlet and disposed                                                                                      
                    within the housing closely adjacent the upwardly extending                                                                                            
                    sidewall, the upwardly extending sidewall circumscribing the                                                                                          
                    pressure sensing module,                                                                                                                              
                                        an annular stop surface integrally formed as part of                                                                              
                    the bottom wall, the stop surface disposed a selected first                                                                                           
                    distance above the remainder of the bottom wall, the pressure                                                                                         
                    sensing module received on the stop surface,                                                                                                          
                                        a seal formed of resilient material received on the                                                                               
                    bottom wall contiguous to and inboard of the stop surface, the                                                                                        
                    seal formed of resilient material having a height of a second                                                                                         
                    distance greater than the first distance whereby compression of                                                                                       
                    the seal by the pressure sensing module is limited by the stop                                                                                        
                    surface,                                                                                                                                              
                                        the distal end of the upwardly extending sidewall being                                                                           
                    crimped inwardly to place a force on the pressure sensing module                                                                                      
                    biasing the module against the stop surface, and                                                                                                      
                                        a connector attached to the housing to provide                                                                                    
                    electrical connection to the pressure sensing module.                                                                                                 





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