Statements (39)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:smartphone
                                        
                                         | 
                            
| gptkbp:alsoKnownAs | 
                                    
                                        
                                            
                                            Roots-type supercharger
                                        
                                        
                                         | 
                            
| gptkbp:application | 
                                    
                                        
                                            
                                            wastewater treatment
                                        
                                        
                                         internal combustion engines HVAC systems vacuum systems pneumatic conveying  | 
                            
| gptkbp:category | 
                                    
                                        
                                            gptkb:compressor
                                        
                                         gptkb:Tesla_Supercharger blower  | 
                            
| gptkbp:component | 
                                    
                                        
                                            
                                            gears
                                        
                                        
                                         housing rotors shafts  | 
                            
| gptkbp:countryOfOrigin | 
                                    
                                        
                                            gptkb:United_States
                                        
                                         | 
                            
| gptkbp:feature | 
                                    
                                        
                                            
                                            high reliability
                                        
                                        
                                         constant flow rate low pressure ratio oil-free air delivery  | 
                            
| gptkbp:introducedIn | 
                                    
                                        
                                            
                                            1860
                                        
                                        
                                         | 
                            
| gptkbp:inventedBy | 
                                    
                                        
                                            
                                            Francis Roots
                                        
                                        
                                         Philander Roots  | 
                            
| gptkbp:marketedAs | 
                                    
                                        
                                            
                                            Roots Blower Company
                                        
                                        
                                         | 
                            
| gptkbp:material | 
                                    
                                        
                                            gptkb:steel
                                        
                                         aluminum cast iron  | 
                            
| gptkbp:namedAfter | 
                                    
                                        
                                            
                                            Roots brothers
                                        
                                        
                                         | 
                            
| gptkbp:patent | 
                                    
                                        
                                            
                                            1860
                                        
                                        
                                         | 
                            
| gptkbp:principle | 
                                    
                                        
                                            
                                            positive displacement
                                        
                                        
                                         | 
                            
| gptkbp:relatedTo | 
                                    
                                        
                                            
                                            centrifugal compressor
                                        
                                        
                                         Lysholm screw compressor rotary lobe pump  | 
                            
| gptkbp:usedFor | 
                                    
                                        
                                            
                                            industrial applications
                                        
                                        
                                         air delivery supercharging engines  | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:EMD_567B
                                        
                                         gptkb:EMD_567  | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            7
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Roots blower
                                        
                                        
                                         |